Which of the following statements is NOT true of Meiosis?

Meiosis takes place in two phases

During meiosis, the genes of the parent cells are mixed in the resulting cells

Meiosis takes place in gonads for production of gametes

As a consequence of Meiosis, the number of chromosomes is doubled in the resulting cells

Which of the following statements is most accurate regarding infection with parvovirus B19?

Parvovirus B19 can cause hydrops fetalis via transplacental infection of a fetus in a seropositive mother

Parvovirus B19 causes severe anemia because it preferentially infects erythrocyte precursors

Parvovirus B19 can cause hydrops fetalis via transplacental infection of a fetus in a seropositive mother

Parvovirus B19 can be diagnosed by detection of viral RNA using PCR or hybridization assays

Parvovirus B19 replicates in the host cell nucleus utilizing a virally encoded DNA polymerase to create a double- stranded DNA intermediate

Which of the following statements best describes nutrient density?

Choose a number of diFerent foods within any given food group rather than the same old thing.

Consume a variety of foods from MyPyramid's Â±ve major food groups every day.

Consume foods that have the most nutrition for their kcalories

Choose a number of diFerent foods within any given food group rather than the same old thing.

Which of the following statements is not true about metabolism?

Basal metabolism is the amount of energy needed for sustaining life.

Younger people generally have a slower metabolism than adults.

Basal metabolism is the amount of energy needed for sustaining life.

Basal metabolism is measured by the amount of calories burned when your body is inactive.

Metabolism is influenced by numerous factors, such as heredity and age.

Which of the following statements about vitamins is true?

Vitamins have a small caloric value

Vitamins can serve as an energy supply for the body if certain criteria are met

Like protein and some minerals, vitamins contribute to the structure of the body

Vitamins are indispensable for the maintenance of optimal health

Which of the following statements about enzymes is not true?

all enzymes have the same shape as their substrates

enzymes work best at a specified ph

the shape of an enzyme allows it to do its job

Which of the following statements about DNA replication is true?

Okazaki fragments are DNA fragments synthesized on the leading strand.

Singleâ€‘strand binding proteins stabilize the open conformation of the unwound DNA.

Okazaki fragments are DNA fragments synthesized on the leading strand.

DNA polymerase adds dNTP monomers in the 3â€²-5â€² direction.

DNA gyrase unwinds the DNA double helix.

Which of the following statements about ddntps is true?

DNA polymerase can add a new dNTP to a 3â€™ ddNTP.

They have a hydrogen at the 3â€™ carbon of the sugar.

DNA polymerase can add a new dNTP to a 3â€™ ddNTP.

They have a free 3â€™-hydroxyl group on the ribose sugar.

They have an oxygen at the 2â€™ carbon of the ribose sugar.

Which of the following statements about DNA replication is false?

The enzyme that catalyzes DNA replication is DNA polymerase.

Unwinding of the DNA molecule occurs as hydrogen bonds break.

The process is known as semiconservative replication because one old strand is conserved in the new molecule.

Replication occurs as each base is paired with another exactly like it.

Which of the following statements about aldosterone is NOT correct?

Aldosterone is produced in the adrenal cortex.

Aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule.

Aldosterone is produced in the adrenal cortex.

Aldosterone is stimulated by decreased plasma sodium levels and increased plasma potassium levels.

Which of the following represents the CORRECT scheme of sub-groups at various levels in classification?

Kingdom â†’ Order â†’ Class â†’ Family â†’ Genus â†’ Species â†’ Phylum

Kingdom â†’ Phylum â†’ Class â†’ order â†’ Family â†’ Genus â†’ Species

Kingdom â†’ Order â†’ Class â†’ Family â†’ Genus â†’ Species â†’ Phylum

Kingdom â†’ Phylum â†’ Order â†’ Genus â†’ Species â†’ Class â†’ Family

Phylum â†’ Kingdom â†’ Class â†’ Order â†’ Genus â†’ Family â†’ Species

Which of the following physiological symptoms are signs of stress?

Arthritis and carpal tunnel syndrome

Headaches and elevated blood pressure

Which of the following occurred in the presence of tetrodotoxin?

The size of the action potential increased.

The number of action potentials decreased.

The size of the action potential increased.

The number of action potentials increased.

The size of the action potential decreased.

Which of the following is true of osmosis?

movement is against water's concentration gradient

Which of the following leads to the production of urea?

Incomplete oxidation of fatty acids

Synthesis of protein from amino acids

Incomplete oxidation of fatty acids

Which of the following is true of kinetochores?

They are located at the center of the centrosome and organize tubulin into spindle fibers.

They are the primary centrosome structures that maintain the attachment of the sister chromatids prior to mitosis.

They are the sites at which microtubules attach to chromosomes.

They are located at the center of the centrosome and organize tubulin into spindle fibers.

They cross at the cell's equator and move against each other, causing the cell to elongate.

Which of the following is true of enzymes?

Enzymes lowers the activation energy for the chemical reaction

Enzymes speed up the rate of a chemical reaction

Which of the following is true of annelids?

They have an open circulatory system

They perform gas exchange across their skin

Which of the following is true about veins?

Veins have a smaller diameter lumen than arteries.

Veins carry blood away from the heart, while arteries carry blood to the heart.

Veins are more muscular than arteries.

Veins have valves; arteries do not.

Veins have a smaller diameter lumen than arteries.

1412 + Mcqs in Biology in General Knowledge Page 4 McqOptions

151.	Which of the following vitamins are water soluble?
A.	Vit. A & Vit. B
B.	Vit. B & Vit. C
C.	Vit. C & Vit. D
D.	Vit. A & Vit. K
Answer» C. Vit. C & Vit. D

Discussion

152.	Which of the following vitamins help in theÂ absorption of calcium?
A.	Vitamin A
B.	Vitamin D
C.	Vitamin B
D.	Vitamin C
Answer» C. Vitamin B

Discussion

153.	Which of the following vitamin helps in clotting of blood?
A.	Vitamin K
B.	Vitamin D
C.	Vitamin B1
D.	Vitamin B2
Answer» B. Vitamin D

Discussion

154.	Which of the following type of medicine is used for treating indigestion?
A.	Antibiotic
B.	Analgesic
C.	Antacid
D.	Antiseptic
Answer» D. Antiseptic

Discussion

155.	Which of the following tissue has large intercellular spaces?_x005F_x000D_ Â _x005F_x000D_
A.	Xylem
B.	Parenchyma
C.	Sclerenchyma
D.	Collenchymas
Answer» C. Sclerenchyma

Discussion

156.	Which of the following transports water from the roots of the plant to its leaves?
A.	Xylem
B.	Phloem
C.	Both xylem and phloem
D.	Cortex
Answer» D. Cortex

Discussion

157.	Which of the following statements is NOT true of Meiosis?
A.	Meiosis takes place in two phases
B.	During meiosis, the genes of the parent cells are mixed in the resulting cells
C.	Meiosis takes place in gonads for production of gametes
D.	As a consequence of Meiosis, the number of chromosomes is doubled in the resulting cells
Answer» E.

Discussion

158.	Which of the following statement(s) is/are CORRECT?_x005F_x000D_ I. Oils containing unsaturated fatty acids should be used for cooking._x005F_x000D_ II Animal fats have saturated carbon chains._x005F_x000D_ III. Saturated fatty acids are generally harmful for health._x005F_x000D_
A.	Only I and II
B.	Only I and III
C.	Only II and III
D.	All I, II and III
Answer» E.

Discussion

159.	Which of the following statements is most accurate regarding infection with parvovirus B19?
A.	Parvovirus B19 causes severe anemia because it preferentially infects erythrocyte precursors
B.	Parvovirus B19 can cause hydrops fetalis via transplacental infection of a fetus in a seropositive mother
C.	Parvovirus B19 can be diagnosed by detection of viral RNA using PCR or hybridization assays
D.	Parvovirus B19 replicates in the host cell nucleus utilizing a virally encoded DNA polymerase to create a double- stranded DNA intermediate
Answer» B. Parvovirus B19 can cause hydrops fetalis via transplacental infection of a fetus in a seropositive mother

Discussion

160.	Which of the following statements best describes nutrient density?
A.	Consume a variety of foods from MyPyramid's Â±ve major food groups every day.
B.	Consume foods that have the most nutrition for their kcalories
C.	Choose a number of diFerent foods within any given food group rather than the same old thing.
D.	All the above
Answer» C. Choose a number of diFerent foods within any given food group rather than the same old thing.

Discussion

161.	Which of the following statements is not true about metabolism?
A.	Younger people generally have a slower metabolism than adults.
B.	Basal metabolism is the amount of energy needed for sustaining life.
C.	Basal metabolism is measured by the amount of calories burned when your body is inactive.
D.	Metabolism is influenced by numerous factors, such as heredity and age.
Answer» B. Basal metabolism is the amount of energy needed for sustaining life.

Discussion

162.	Which of the following statements about vitamins is true?
A.	Vitamins have a small caloric value
B.	Vitamins can serve as an energy supply for the body if certain criteria are met
C.	Like protein and some minerals, vitamins contribute to the structure of the body
D.	Vitamins are indispensable for the maintenance of optimal health
Answer» E.

Discussion

163.	Which of the following statements about enzymes is not true?
A.	all enzymes have the same shape as their substrates
B.	enzymes are proteins
C.	enzymes work best at a specified ph
D.	the shape of an enzyme allows it to do its job
Answer» B. enzymes are proteins

Discussion

164.	Which of the following statements about DNA replication is true?
A.	Singleâ€‘strand binding proteins stabilize the open conformation of the unwound DNA.
B.	Okazaki fragments are DNA fragments synthesized on the leading strand.
C.	DNA polymerase adds dNTP monomers in the 3â€²-5â€² direction.
D.	DNA gyrase unwinds the DNA double helix.
Answer» B. Okazaki fragments are DNA fragments synthesized on the leading strand.

Discussion

165.	Which of the following statements about ddntps is true?
A.	They have a hydrogen at the 3â€™ carbon of the sugar.
B.	DNA polymerase can add a new dNTP to a 3â€™ ddNTP.
C.	They have a free 3â€™-hydroxyl group on the ribose sugar.
D.	They have an oxygen at the 2â€™ carbon of the ribose sugar.
Answer» B. DNA polymerase can add a new dNTP to a 3â€™ ddNTP.

Discussion

166.	Which of the following statements about DNA replication is false?
A.	The enzyme that catalyzes DNA replication is DNA polymerase.
B.	Unwinding of the DNA molecule occurs as hydrogen bonds break.
C.	The process is known as semiconservative replication because one old strand is conserved in the new molecule.
D.	Replication occurs as each base is paired with another exactly like it.
Answer» E.

Discussion

167.	Which of the following statements about aldosterone is NOT correct?
A.	Aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule.
B.	Aldosterone is produced in the adrenal cortex.
C.	Aldosterone is stimulated by decreased plasma sodium levels and increased plasma potassium levels.
D.	All of the above
Answer» B. Aldosterone is produced in the adrenal cortex.

Discussion

168.	Which of the following serve as antibodies?
A.	Proteins
B.	Lipids
C.	Carbohydrates
D.	Nucleic acids
Answer» B. Lipids

Discussion

169.	Which of the following serves as a nutritive tissue for the growing embryo?
A.	Ovule
B.	Zygote
C.	Ovary
D.	Endosperm
Answer» E.

Discussion

170.	Which of the following reproduce both, sexually as well as asexually?
A.	Hydra
B.	Amoeba
C.	ALgae
D.	Fungi
Answer» B. Amoeba

Discussion

171.	Which of the following represents the CORRECT scheme of sub-groups at various levels in classification?
A.	Kingdom â†’ Phylum â†’ Class â†’ order â†’ Family â†’ Genus â†’ Species
B.	Kingdom â†’ Order â†’ Class â†’ Family â†’ Genus â†’ Species â†’ Phylum
C.	Kingdom â†’ Phylum â†’ Order â†’ Genus â†’ Species â†’ Class â†’ Family
D.	Phylum â†’ Kingdom â†’ Class â†’ Order â†’ Genus â†’ Family â†’ Species
Answer» B. Kingdom â†’ Order â†’ Class â†’ Family â†’ Genus â†’ Species â†’ Phylum

Discussion

172.	Which of the following relation is true regarding the amounts of genetic material contributed by the father and mother to the child?
A.	Father >> Mother
B.	Father << Mother
C.	Father = Mother
D.	No relation can be determined
Answer» D. No relation can be determined

Discussion

173.	Which of the following plays an important role in photosynthesis?
A.	Chloroplast
B.	Centrosome
C.	Tonoplast
D.	Nematoblast
Answer» B. Centrosome

Discussion

174.	Which of the following protects the inner lining of the stomach from the action of the hydrochloric acid under the normal conditions?
A.	Villi
B.	Mucus
C.	Saliva
D.	Digestive Juices
Answer» C. Saliva

Discussion

175.	Which of the following plays an important part in photosynthesis?
A.	Chloroplast
B.	Centrosome
C.	Tonoplast
D.	Nematoblast
Answer» B. Centrosome

Discussion

176.	Which of the following plants have root nodules?
A.	Leguminous plants
B.	Parasitic plants
C.	Epiphytic Plants
D.	Aquatic Plants
Answer» B. Parasitic plants

Discussion

177.	Which of the following physiological symptoms are signs of stress?
A.	Arthritis and carpal tunnel syndrome
B.	Dental cavities and bone loss
C.	Headaches and elevated blood pressure
D.	Hearing and vision loss
Answer» D. Hearing and vision loss

Discussion

178.	Which of the following part of plant cell, is selectively permeable?
A.	Cell wall
B.	Cell membrane
C.	Cytoplasm
D.	Nucleus
Answer» C. Cytoplasm

Discussion

179.	Which of the following plant group has hidden reproductive organs?_x005F_x000D_
A.	Bryophyta
B.	Thallophyta
C.	Pteridophyta
D.	All option are correct
Answer» E.

Discussion

180.	Which of the following plant tissues is capable of cell division?
A.	Parenchyma
B.	Sclerenchyma
C.	Meristem
D.	Xylem
Answer» D. Xylem

Discussion

181.	Which of the following pairs is mismatched?
A.	Hooke - cell theory
B.	van Leeuwenhoek - germ theory
C.	Lister - aseptic surgery
D.	Jenner - vaccines
Answer» C. Lister - aseptic surgery

Discussion

182.	Which of the following organisms can reproduce by regeneration and budding?
A.	Yeast
B.	Plasmodium
C.	Hydra
D.	Planaria
Answer» D. Planaria

Discussion

183.	Which of the following organisms does not fit into the Cell Theory?
A.	Bacteria
B.	Virus
C.	Fungi
D.	Plants
Answer» C. Fungi

Discussion

184.	Which of the following organs do not have blood vessels?
A.	Spleen
B.	Cornea
C.	Liver
D.	None of the above
Answer» C. Liver

Discussion

185.	Which of the following organisms are considered to be both Living and Non-living?
A.	Bacteria
B.	Fungi
C.	Algae
D.	Virus
Answer» E.

Discussion

186.	Which of the following organs produces the enzyme lipase?
A.	Pancreas
B.	Large Intestine
C.	Liver
D.	Small Intestine
Answer» B. Large Intestine

Discussion

187.	Which of the following organelles are called the Protein Factories of the cell?
A.	Mitochondria
B.	Ribosomes
C.	Lysosomes
D.	Chloroplasts
Answer» C. Lysosomes

Discussion

188.	Which of the following organelle is known as the 'Power House' of the cell?
A.	Golgi Bodies
B.	Ribosomes
C.	Mitochondria
D.	None of these
Answer» D. None of these

Discussion

189.	Which of the followingÂ represents the pair of sex chromosomes in women?
A.	XY
B.	XX
C.	YY
D.	None of these
Answer» C. YY

Discussion

190.	Which of the following organ does NOT belong to human excretory system?
A.	Kidneys
B.	Ureters
C.	Uterus
D.	Urethra
Answer» D. Urethra

Discussion

191.	Which of the following occurred in the presence of tetrodotoxin?
A.	The number of action potentials decreased.
B.	The size of the action potential increased.
C.	The number of action potentials increased.
D.	The size of the action potential decreased.
Answer» B. The size of the action potential increased.

Discussion

192.	Which of the following micro-organism causes diseases like polio and chicken pox?
A.	Bacteria
B.	Protozoa
C.	Algae
D.	Virus
Answer» E.

Discussion

193.	Which of the following may cause the breakdown of pyruvate into lactic acid in our muscles?
A.	Lack of water
B.	Lack of Oxygen
C.	Lack of carbon dioxide
D.	Lack of nitrogen_x005F_x000D_
Answer» C. Lack of carbon dioxide

Discussion

194.	Which of the following is true of osmosis?
A.	it is a type of diffusion
B.	movement is against water's concentration gradient
C.	requires energy
D.	All of the above
Answer» E.

Discussion

195.	Which of the following leads to the production of urea?
A.	Synthesis of protein from amino acids
B.	Oxidation of glucose
C.	Degradation of amino acids
D.	Incomplete oxidation of fatty acids
Answer» D. Incomplete oxidation of fatty acids

Discussion

196.	Which of the following is true of kinetochores?
A.	They are the primary centrosome structures that maintain the attachment of the sister chromatids prior to mitosis.
B.	They are the sites at which microtubules attach to chromosomes.
C.	They are located at the center of the centrosome and organize tubulin into spindle fibers.
D.	They cross at the cell's equator and move against each other, causing the cell to elongate.
Answer» C. They are located at the center of the centrosome and organize tubulin into spindle fibers.

Discussion

197.	Which of the following is true of enzymes?
A.	Enzymes lowers the activation energy for the chemical reaction
B.	Enzymes speed up the rate of a chemical reaction
C.	Both A & B
D.	Neither A nor B
Answer» D. Neither A nor B

Discussion

198.	Which of the following is true of annelids?
A.	They have an open circulatory system
B.	They have a nerve net
C.	They perform gas exchange across their skin
D.	They have pseudocoeloms
Answer» D. They have pseudocoeloms

Discussion

199.	Which of the following is the primary sex organ in man?
A.	Prostrate
B.	Testis
C.	Vas deferens
D.	Seminal vesicles
Answer» C. Vas deferens

Discussion

200.	Which of the following is true about veins?
A.	Veins carry blood away from the heart, while arteries carry blood to the heart.
B.	Veins are more muscular than arteries.
C.	Veins have valves; arteries do not.
D.	Veins have a smaller diameter lumen than arteries.
Answer» D. Veins have a smaller diameter lumen than arteries.

Discussion

Explore topic-wise MCQs in General Knowledge.

Which of the following vitamins are water soluble?

Which of the following vitamins help in theÂ absorption of calcium?

Which of the following vitamin helps in clotting of blood?

Which of the following type of medicine is used for treating indigestion?

Which of the following tissue has large intercellular spaces?_x005F_x000D_ Â _x005F_x000D_

Which of the following transports water from the roots of the plant to its leaves?

Which of the following statements is NOT true of Meiosis?

Which of the following statement(s) is/are CORRECT?_x005F_x000D_ I. Oils containing unsaturated fatty acids should be used for cooking._x005F_x000D_ II Animal fats have saturated carbon chains._x005F_x000D_ III. Saturated fatty acids are generally harmful for health._x005F_x000D_

Which of the following statements is most accurate regarding infection with parvovirus B19?

Which of the following statements best describes nutrient density?

Which of the following statements is not true about metabolism?

Which of the following statements about vitamins is true?

Which of the following statements about enzymes is not true?

Which of the following statements about DNA replication is true?

Which of the following statements about ddntps is true?

Which of the following statements about DNA replication is false?

Which of the following statements about aldosterone is NOT correct?

Which of the following serve as antibodies?

Which of the following serves as a nutritive tissue for the growing embryo?

Which of the following reproduce both, sexually as well as asexually?

Which of the following represents the CORRECT scheme of sub-groups at various levels in classification?

Which of the following relation is true regarding the amounts of genetic material contributed by the father and mother to the child?

Which of the following plays an important role in photosynthesis?

Which of the following protects the inner lining of the stomach from the action of the hydrochloric acid under the normal conditions?

Which of the following plays an important part in photosynthesis?

Which of the following plants have root nodules?

Which of the following physiological symptoms are signs of stress?

Which of the following part of plant cell, is selectively permeable?

Which of the following plant group has hidden reproductive organs?_x005F_x000D_

Which of the following plant tissues is capable of cell division?

Which of the following pairs is mismatched?

Which of the following organisms can reproduce by regeneration and budding?

Which of the following organisms does not fit into the Cell Theory?

Which of the following organs do not have blood vessels?

Which of the following organisms are considered to be both Living and Non-living?

Which of the following organs produces the enzyme lipase?

Which of the following organelles are called the Protein Factories of the cell?

Which of the following organelle is known as the 'Power House' of the cell?

Which of the followingÂ represents the pair of sex chromosomes in women?

Which of the following organ does NOT belong to human excretory system?

Which of the following occurred in the presence of tetrodotoxin?

Which of the following micro-organism causes diseases like polio and chicken pox?

Which of the following may cause the breakdown of pyruvate into lactic acid in our muscles?

Which of the following is true of osmosis?

Which of the following leads to the production of urea?

Which of the following is true of kinetochores?

Which of the following is true of enzymes?

Which of the following is true of annelids?

Which of the following is the primary sex organ in man?

Which of the following is true about veins?