Top 1000+ Solved Biology (GK) MCQ Questions Answer

From 226 to 240 of 1657

Q. In man, the normal number of chromosomes is -

a. 42

b. 44

c. 46

d. 48

  • c. 46

Q. Which are the largest fixator of solar energy -

a. Bacteria

b. Protozoa

c. Fungi

d. Green plants

  • d. Green plants

Q. Study of field crops is called -

a. Pomology

b. Agronomy

c. Olericulture

d. Floriculture

  • b. Agronomy

Q. Locked jaw disorder is the other name of the disease -

a. Tetanus

b. Muscular disorder

c. Typhoid

d. Filariasis

  • a. Tetanus

Q. Excretory products of mammalian embryo are eliminated out by -

a. Placenta

b. Amniotic fluid

c. Allantois

d. Ureter

  • a. Placenta

Q. Who among the following analysed DNA for the first time?

a. Arthur Cornberg

b. Hargobind Khurana

c. M. W. Nirenberg

d. Watson and Krick

  • d. Watson and Krick

Q. Virus contains -

a. Protein and lipid

b. Nucleic acid and protein

c. Lipid and carbohydrate

d. Carbohydrate and nucleic acid

  • a. Protein and lipid

Q. By which the sex of a child is determined before birth?

a. Sperms of father

b. Foetus of mother

c. Both (1) and (2)

d. Nutrition of mother

  • b. Foetus of mother

Q. AIDS virus has –

a. single-stranded RNA

b. double-stranded RNA

c. single-stranded DNA

d. double-stranded DNA

  • a. single-stranded RNA

Q. ECG is done to diagnose an ailment connected with?

a. Kidney

b. Heart

c. Brain

d. Blood

  • b. Heart

Q. Process of digestion is helped by -

a. Enzyme

b. Hormone

c. Mineral

d. Vitamin

  • a. Enzyme

Q. Glaucoma is a disease of the -

a. Skin

b. Lungs

c. Liver

d. Eyes

  • d. Eyes

Q. The chemical used for destroying Fungi in water tanks is -

a. Copper sulphate

b. Magnesium sulphate

c. Zinc sulphate

d. Nitric acid

  • a. Copper sulphate
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