Biology

1. Which of the following is not a mental disorder?

Neurosis

Psychosis

Epilepsy

Plague

Question 1 of 15

2. Treatment with alloxan destroys

Cells of Leydig

β-cells of Langerhans

Stilt cells

Sertoli cells

Question 2 of 15

3. Which of the following disease is due to an allergic reaction?

Rheumatic fever

Goiter

Hay fever

Skin cancer

Question 3 of 15

4. Azolla is used as a biofertilizer because it

Has association of nitrogen-fixing Cyanobacteria

Has association of nitrogen-fixing Rhizobium

Multiplies very fast to produce massive biomass

Has association of mycorrhiza

Question 4 of 15

5. Which one of the following correctly matched regarding an Institute and Its location?

Central drug Research Institute – Kasauli Institute

National Institute of Communicable disease – Lucknow

National Institute of Nutrition – Mumbai

National Institute of Virology – Pune

Question 5 of 15

6. Which type of cancer is found in lymph nodes and spleen?

Sarcoma

Carcinoma

Leukemia

Lymphoma

Question 6 of 15

7. Which one of the following is a matching pair of a drug and its category?

Amphetamines – stimulant

Heroin – Psychotropic

Benzodiazepam – pain killer

Lysergic acid dimethyl amide – narcotic

Question 7 of 15

8. Influenza is caused by

Aiga

Fungus

Virus

Bacteria

Question 8 of 15

9. The major component of honey is

Sucrose

Glucose

Maltose

Fructose

Question 9 of 15

10. Cattle fed with spoilt hay to sweet clover which contains dicumarol

May suffer from beri-beri due to deficiency of vitamin-B

Catch infections easily

Are healthier due to a good diet

May suffer vitamin K deficiency and prolonged bleeding

Question 10 of 15

11. Cocoa is the plant from which chocolate is made. Which part is used to extract it?

Bark

Seeds

Flower

Fruit

Question 11 of 15

12. Genetic diversity in agricultural crops is threatened by

Introduction of high yielding varieties

Intensive use of biopesticides

Extensive intercropping

Intensive use of fertilizers

Question 12 of 15

13. An insect bite may result in inflammation of that spot. This is triggered by the alarm chemicals

Histamine and kinins

Interferons and opsonin

Interferons and histones

Histamine and dopamine

Question 13 of 15

14. In an experiment freshly hatched larvae of an insect (Khapra beetle) were reared on a basal diet (complete diet without cholesterol) with increasing amounts of cholesterol. Results obtained are shown in the given graph.

The graph indicates

Growth of khapra beetle is inhibited when cholesterol concentration exceeds 5 μg/g diet.

Cholesterol concentration 2 μg/g diet is the optimum level.

Cholesterol is an essential dietary requirement of khapra beetle.

Growth of khapra beetle is directly proportional to cholesterol concentration

Question 14 of 15

15. Crop rotation is used to increase

Organic content of soil

Soil fertility

Pore size and soil particle

Viscosity of soil water

Question 15 of 15

Test Name	Biology and Human Welfare Test Online MCQs
Subject	Biology
Test Type	MCQs
Total Question	15
Total Marks	30
Total Time	15 Mints
Test Help For	Biology Concepts NEET-UG Entrance Exam CBSE All Medical Colleges Admission Test GRE Subject Test Science General Knowledge AIIMS Test AIPMT Test USMLE Test AIPVT Test

Test By Subject	Biology
Test By Topics	Biology in Human Welfare

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Biology and Human Welfare Test Online MCQs

Biology and Human Welfare Test Online MCQs

Biology

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