Explore topic-wise MCQs in Current Affairs.

This section includes 903 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.

351.

People living at high altitudes have

A. more better digestive system
B. have better phagocytosis processes
C. have increased immunity
D. have more hemoglobin in blood
Answer» E.
352.

Due to adrenaline in blood, Fatigue is a

A. possible short tem effect
B. a long term effect
C. causes diarrhea
D. causes pain in stomach
Answer» C. causes diarrhea
353.

Field of biotechnology which is applied to industrial processes is known as

A. blue biotechnology
B. green biotechnology
C. white biotechnology
D. red biotechnology
Answer» D. red biotechnology
354.

Combination of glucose (C₆H₁₂O₆) and galactose (C₆H₁₂O₆) molecules result in

A. maltose
B. galactose
C. lactose
D. sucrose
Answer» D. sucrose
355.

In the excretion system, Left kidney is

A. anterior than the right kidney
B. lower than the right kidney
C. are at about the same level
D. detached from the dorsal wall
Answer» B. lower than the right kidney
356.

In terms of tolerance range for oxygen (O₂), Tubifex worms and fish are

A. differ
B. alike
C. approximately same
D. opposite
Answer» B. alike
357.

During oxygen debt, the lactic acid is transferred from muscles to

A. liver
B. muscles
C. lungs
D. mucus
Answer» B. muscles
358.

Cholesterol acts as a precursor of

A. steroid harmones
B. lymphs nodes
C. enzymes
D. organic nutrients
Answer» B. lymphs nodes
359.

In a healthy person, excess glucose is

A. stored inside body
B. converted to glycogen
C. excreted in urine
D. not present in diet
Answer» C. excreted in urine
360.

Hydrolysis of polypeptides result in

A. amino acids
B. fatty acids
C. amylase
D. small amount of sodium
Answer» B. fatty acids
361.

Wheat, wheat bran and molasses together form the

A. penicillin
B. Alcohol
C. Postum
D. Sebum
Answer» D. Sebum
362.

Vegetables fats are

A. saturated fats
B. unsaturated fats
C. monounsaturated fats
D. disaturated fats
Answer» C. monounsaturated fats
363.

The property of fat-soluble vitamins is, it can be

A. lost daily
B. lost weekly
C. lost fortnightly
D. stored in the body for later use
Answer» E.
364.

Blood vessels which carry blood away from heart are known as

A. veins
B. capillaries
C. arteries
D. lymph vessels
Answer» D. lymph vessels
365.

In the fermented dough, the cavities appear due to

A. carbon monoxide
B. carboxyl acids
C. carbon dioxide
D. oxygen
Answer» D. oxygen
366.

If taken in large amount, gastric ulcers may be caused by

A. Cocaine
B. Aspirin
C. Cephalosporin
D. Tetracycline
Answer» C. Cephalosporin
367.

From the internal Nares, the air travels into the

A. glottis
B. larynx
C. trachea
D. pharynx
Answer» E.
368.

In digestion , Peristalsis prevents

A. movement of undigested food in large intestine
B. the signs of constipation
C. wavelike muscular movements
D. use of too much water
Answer» C. wavelike muscular movements
369.

Each stage in food chain is called a/an

A. photon level
B. phantom level
C. trophic level
D. energy level
Answer» D. energy level
370.

All are wrong for white blood cells (leukocytes) but

A. lack nucleus
B. transport oxygen
C. lack hemoglobin
D. produce antibodies
Answer» E.
371.

Trace elements do not include

A. iodine
B. zinc
C. manganese
D. calcium
Answer» E.
372.

Single-cell production is enabled through

A. batch operation systems
B. continuous operation systems
C. discontinuous operation system
D. unique operation system
Answer» C. discontinuous operation system
373.

Pus is formed at the site of wound due to

A. dead phagocytes
B. pathogenic bacteria
C. granulocytes
D. both dead phagocytes and pathogenic bacteria
Answer» E.
374.

Carriers in cell membrane which transport nutrients in plants are

A. soil
B. stomata
C. roots
D. proteins
Answer» E.
375.

Small intestine and colon are joined through

A. caecum
B. duodenum
C. spleen
D. bile duct
Answer» B. duodenum
376.

Glucose (C₆H₁₂O₆) converted to glycogen (C₂₄H₄₂O₂₁) may be stored in

A. muscles only
B. liver only
C. pancreas
D. muscles and liver
Answer» E.
377.

Short term effect of alcohol disturbs the

A. nervous system
B. digestive system
C. cardio-vascular system
D. excretion system
Answer» B. digestive system
378.

Any part of the Earth where life can exist is known as

A. populations
B. community
C. ecosystem
D. biosphere
Answer» E.
379.

Digested food materials are carried to all parts of plant especially

A. stem
B. root apices
C. leaves
D. all of above
Answer» E.
380.

Degenerated protoplasm is found in

A. xylem vessels
B. phloem tissues
C. pits
D. lumen
Answer» C. pits
381.

Vitamin D can also be called

A. ascorbic acid
B. calciferol
C. Phytomenadione
D. abscisic acid
Answer» C. Phytomenadione
382.

Vertebral column faces the

A. concave side of kidneys
B. convex side of kidneys
C. posterior side of kidneys
D. inferior side of the kidney
Answer» C. posterior side of kidneys
383.

Transpiration that occurs from vital organ lenticels present on stem is termed as

A. cuticular transpiration
B. stomatal transpiration
C. lenticular transpiration
D. translocation
Answer» D. translocation
384.

Through ureter, kidney passes urine to

A. urethra
B. ureter
C. hilus
D. urinary bladder
Answer» E.
385.

In flowering plants, Sieve tubes are a characteristic of

A. xylem vessels
B. phloem tissues
C. pith cells
D. lumen
Answer» C. pith cells
386.

Disadvantages of pesticides includes

A. healthier crops
B. higher yield of crops
C. non-biodegradable pesticides
D. availability of more food
Answer» D. availability of more food
387.

PH (power of Hydrogen) of pancreatic juice is

A. below 7
B. approx. 7
C. above 7
D. depends upon the type of food to be digested
Answer» D. depends upon the type of food to be digested
388.

Wastes of anaerobic respiration includes

A. lactic acid
B. ethanol
C. carbon dioxide
D. energy
Answer» B. ethanol
389.

Process of using living organisms to develop products is known as

A. genome engineering
B. medical engineering
C. biotechnology
D. bioengineering
Answer» D. bioengineering
390.

Conversion of fibrinogen to fibrin is carried out through

A. thrombin
B. prothrombin
C. thrombokinase
D. platelets
Answer» B. prothrombin
391.

More selective reabsorption of water is carried out in kidneys of

A. marine boneless fish
B. freshwater bony fish
C. marine bony fish
D. freshwater boneless fish
Answer» C. marine bony fish
392.

To test presence of reducing sugars in food, the test conducted is

A. Benedict Test
B. Iodine Test
C. Biuret Test
D. Bromine Test
Answer» B. Iodine Test
393.

In mammals, an important part in excretion is played by

A. lungs
B. liver
C. kidneys
D. large intestines
Answer» D. large intestines
394.

Amount of ADH (Antidiuretic Hormone) secreted determines amount of

A. nutrients reabsorbed
B. water reabsorbed
C. water excreted
D. food injested
Answer» C. water excreted
395.

Mold Pencillium was discovered by

A. Alexander Fleming
B. Louis Pasteur
C. Charles Darwin
D. Chaim Weizmann
Answer» B. Louis Pasteur
396.

Plants capable to survive conditions of extreme drought are

A. xerophytes
B. hydrophytes
C. cortex
D. herbaceous
Answer» B. hydrophytes
397.

Excess water entering in body cells accompanied with a loss of salts is faced by

A. freshwater bony fish
B. marine bony fish
C. marine boneless fish
D. freshwater boneless fish
Answer» B. marine bony fish
398.

Fall in temperature may result in a

A. death
B. increase in metabolic activities to produce heat
C. decrease in metabolic activities of animals
D. decrease the production of heat
Answer» D. decrease the production of heat
399.

Irregular shape and loose arrangement of cell is characteristic of

A. cuticle cells
B. palisade tissues
C. spongy tissues
D. stomata
Answer» D. stomata
400.

Non-cellular part of hydra is

A. ectoderm
B. endoderm
C. mesoglea
D. tentacles
Answer» D. tentacles