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The Principal Nitrogenous Excretory Compound In Humans Is Synthesised?

a) In the liver but eliminated mostly through kidneys b) In kidneys as well as eliminated by kidneys c) In liver and also eliminated by the... View Article

Carrier Ions Like Na+ Facilitate The Absorption Of Substances Like?

a) Fructose and some amino acids b) Glucose and fatty acids c) Fatty acids and glycerol d) Amino acids and glucose Answer: a) Fructose... View Article

Cu Ions Released From Copper- Releasing Intrauterine Devices (IUDs)?

a) Make uterus unsuitable for implantation b) Increase phagocytosis sperms c) Prevent ovulation d) Suppress sperm motility Answer: d)... View Article

The Nerve Centres Which Control The Body Temperature And The Urge For Eating Are Contained In?

a) Pons b) Hypothalamus c) Cerebellum d) Thalamus Answer: b) Hypothalamus Explanation: Hypothalamus is the thermoregulatory centre... View Article

If For Some Reason Our Goblet Cells Are Non-functional This Will Adversely Affect?

a) Smooth movement of food down the intestine b) Maturation of sperms c) Secretion of sebum from the sebaceous glands d) Production of... View Article

Low Ca++ In The Body Fluid May Be The Cause Of?

a) Anaemia b) Tetany c) Angina pectoris d) Gout Answer: b) Tetany Tetany is rapid spasms in the muscle as a result of low Ca2+ in the... View Article

If Due To Some Injury The Chordae Tendinae Of The Tricuspid Valve Of The Human Heart Is Partially Non-functional, What Will Be The Immediate Effect?

a) The flow of blood into the pulmonary artery will be reduced b) The blood will tend to flow back into the left atrium c) The flow of blood... View Article

Photoperiodism Was First Characterised In?

a) Potato b) Tobacco c) Tomato d) Cotton Answer: b) Tobacco... View Article

PGA As The First Co2 Fixation Product Was Discovered In Photosynthesis Of?

a) Alga b) Angiosperm c) Gymnosperm d) Bryophyte Answer: a) Alga... View Article

One Of The Free-living Anaerobic Nitrogen-fixer Is?

a) Rhizobium b) Azotobacter c) Rhodospirillum d) Beijernickia Answer: c) Rhodospirillum Explanation: Others are aerobic nitrogen fixers.... View Article

Keel Is Characteristic Of The Flowers Of?

a) Bean b) Cassia c) Calotropis d) Gulmohur Answer: a) Bean... View Article

Heartwood Differs From Sapwood In?

a) Absence of vessels and parenchyma b) Presence of rays and fibres c) Being susceptible to pests and pathogens d) Having dead and... View Article

Ovary Is Half-inferior In The Flowers Of?

a) Guava b) Brinjal c) Plum d) Cucumber Answer: c) Plum... View Article

The Technical Term Used For The Androecium In A Flower Of China Rose (Hibiscus Rosa Sinensis) Is?

a) Diadelphous b) Monadelphous c) Polyandrous d) Polyadelphous Answer: b) Monadelphous Explanation: The China rose family depicts the... View Article

The Chief Water Conducting Elements Of Xylem In Gymnosperms Are?

a) Tracheids b) Fibers c) Transfusion tissue d) Vessels Answer: a) Tracheids Explanation: In gymnosperms and pteridophytes, vessels are... View Article

C4 Plants Are More Efficient In Photosynthesis Than C3 Plants Due To?

a) Higher leaf area b) Presence of thin cuticle c) Presence of larger number of chloroplasts in the leaf cells d) Lower rate of... View Article

An Element Playing Important Role In Nitrogen Fixation Is?

a) Zinc b) Molybdenum c) Copper d) Manganese Answer: b) Molybdenum... View Article

Which One Of The Following Is Not A Micronutrient?

a) Zinc b) Boron c) Magnesium d) Molybdenum Answer: c) Magnesium Mg is macronutrient.... View Article

The Scutellum Observed In A Grain Of Wheat Or Maize Is Comparable To Which Part Of The Seed In Other Monocotyledons?

a) Endosperm b) Cotyledon c) Aleurone layer d) Plumule Answer: b) Cotyledon... View Article

Darwin’s Finches Are A Good Example Of?

a) Connecting link b) Industrial melanism c) Convergent evolution d) Adaptive radiation Answer: d) Adaptive radiation... View Article

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