Explore topic-wise MCQs in Biology.

This section includes 344 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

51.

Bone of man became weak in old age due to

A. Deficiency of Iodine
B. Deficiency of Iron
C. Deficiency of Calcium
D. Deficiency of cabolt
Answer» D. Deficiency of cabolt
52.

Largest gland found in man

A. Pancrease
B. Liver
C. Kidney
D. Intestine
Answer» C. Kidney
53.

Which one of the following is not a good source of nutrition callcium?

A. Rice
B. Ragi
C. Skimmed Milk
D. Egg
Answer» B. Ragi
54.

Food is converted into energy in which of the cellular organelles of cell

A. Nucleus
B. Lysosome
C. Ribosome
D. Mitochondria
Answer» E.
55.

Asthma is caused due to

A. Infection of trachea
B. Infection of lung
C. Bleeding into pleural cavity
D. Spasm in bronchial muscles
Answer» E.
56.

Total number of bone found in man

A. 212
B. 206
C. 202
D. 200
Answer» C. 202
57.

Acetylcholine is

A. Toxin
B. Vitamin
C. Enzyme
D. Chemical transmitter
Answer» E.
58.

Which of the following bone is not found in human leg

A. Tibia
B. Humerus
C. Femer
D. Fibula
Answer» C. Femer
59.

Enzymes are essential for body becasuse

A. They provide energy
B. They control nervous system
C. These are the structural part of body
D. These are the catylist of biochamical activity
Answer» E.
60.

Haemoglobin is an important component of

A. RBC
B. WBC
C. Platletes
D. Cytoplasm
Answer» B. WBC
61.

Bile produced by

A. Liver
B. Stomach
C. Pancrease
D. Dudeneum
Answer» B. Stomach
62.

Filtration of blood occur in

A. Lung
B. Bowment's capsule
C. Uriniferous tubule
D. Ureater
Answer» C. Uriniferous tubule
63.

In anaerobic respiration of muscles pyruvic acid changes into

A. Alecohol
B. Acetaldehyde
C. Acetyl CoA
D. Latic acid
Answer» E.
64.

Life of red blood cells in the body

A. 60 days
B. 120 days
C. 365 days
D. 465 days
Answer» C. 365 days
65.

Maximum nutritive element aborbed by blood from which part of alimentary canal

A. Large intestine
B. Mouth
C. Small intestine
D. Stomach
Answer» D. Stomach
66.

After digestion protein is converted into

A. Fat
B. Glucose
C. Amino acid
D. Fractose
Answer» D. Fractose
67.

The bone tibia is found in

A. Skull
B. Leg
C. Arm
D. Mouth
Answer» C. Arm
68.

The bone Humerus is found in

A. Thigh
B. Upper arm
C. Fore arm
D. Leg
Answer» C. Fore arm
69.

Strongest bone of body is found in

A. Thigh
B. Jaw
C. Shoulder
D. Neck
Answer» C. Shoulder
70.

Centre of intelligence in human brain is

A. Gerebellum
B. Cerebrum
C. medulla oblangate
D. None of these
Answer» C. medulla oblangate
71.

Saliva secreted from mouth diegest

A. Protein
B. Starch
C. Fat
D. Vitamin
Answer» C. Fat
72.

Blood group which have no antigen

A. A
B. B
C. AB
D. O
Answer» E.
73.

Which one of following gland disapear during old age

A. Pituitary
B. Thyroid
C. Parathyroid
D. Thymus
Answer» E.
74.

Which part of brain is centre of thirst hunger and sleep

A. Hypothalmus
B. Cerebellum
C. Cerebrum
D. Medulla oblangata
Answer» B. Cerebellum
75.

Coagulation of blood do not occur inside human body due to presence of

A. Haemoglobin
B. Heparin
C. Fibrinogen
D. None of these
Answer» C. Fibrinogen
76.

Blood Coagualtion is prevented by chemical when it flow through artery and vein is

A. Heparin
B. Plastin
C. Thrombin
D. Prothrombin
Answer» B. Plastin
77.

Total Number of bone found in child

A. 200
B. 206
C. 300
D. 306
Answer» D. 306
78.

The enzyme found in sliva

A. Renine
B. Ptylin
C. Tenin
D. Resin
Answer» C. Tenin
79.

Main function of antibodies is against

A. Unfavarouble environment
B. During deficiency of nutrient
C. During infection
D. None of the above
Answer» D. None of the above
80.

Arteries supplying blood to the heart are called

A. Carotid arteries
B. Hepatic arteries
C. Coronary arteries
D. Pulmonary arteries
Answer» D. Pulmonary arteries
81.

Dialysis is used to perform the function of

A. Lung
B. Heart
C. Liver
D. Kidney
Answer» E.
82.

Maximum amount of urea is found in human body

A. Blood
B. Heart
C. Urine
D. Sweat
Answer» D. Sweat
83.

Which of the following blood group is universal doner

A. B
B. O
C. A
D. AB
Answer» C. A
84.

Glucose level in blood is commonly expressed as

A. mm of Hg
B. Miligram per decilitre
C. Parts per million
D. Gram (mg / dl) per litre
Answer» C. Parts per million
85.

In which of the following organ carbohydrate is stored as glycogen

A. Intestine
B. Stomach
C. Liver
D. Pancrease
Answer» D. Pancrease
86.

Cerebrum is related to

A. Liver
B. Heart
C. Brain
D. Kidney
Answer» D. Kidney
87.

If the father have blood group 'AB' and mother have blood group 'B' then blood group which is not possible in their child?

A. AB
B. B
C. A
D. O
Answer» E.
88.

Yellow colour of urine is due to presence of

A. Urochrom
B. Blood
C. Cholestrol
D. Bile
Answer» B. Blood
89.

Exchange of rispiratory gaseous O2 and CO2 take place through respiratory surface

A. Passive transport
B. Active transport
C. Osmosis
D. Difusion
Answer» E.
90.

Bones join with muscles with the help of

A. Ligament
B. Tendon
C. Cartilage
D. Small muscles
Answer» C. Cartilage
91.

Which of the following hormone is injected into cow and buffalow during milking

A. Somatotropin
B. Oxytocin
C. Interferon
D. Insulin
Answer» C. Interferon
92.

Vitamin K is required for

A. Blood clotting
B. Respiration
C. Carbohydrate metabolism
D. Calcium phosphorus
Answer» B. Respiration
93.

Puls rate we get from

A. Vein
B. Artery
C. Skin
D. Nerve
Answer» C. Skin
94.

Which blood group is a universal recipient?

A. A
B. B
C. AB
D. O
Answer» D. O
95.

Pair of ribs found in man

A. 12
B. 10
C. 14
D. 11
Answer» B. 10
96.

Main function of white blood corpuscles is

A. Transport of CO
B. Transport of oxygen
C. To produce immune system of body
D. None of the above
Answer» D. None of the above
97.

How many teeth in man comes out twice

A. 4
B. 12
C. 20
D. 28
Answer» D. 28
98.

Graveyard of red blood cells is

A. Heart
B. Bone marrow
C. Kidney
D. Spleen
Answer» E.
99.

Gestation period in man

A. 6 month
B. 7 month
C. 8 month
D. 9 month
Answer» E.
100.

Longest bone found in man

A. Stapes
B. Fibula
C. Tibia
D. Femur
Answer» E.