Top 1000+ Solved Biology (GK) MCQ Questions Answer

From 991 to 1005 of 1657

Q. Which one of the following features is absent in a virus?

a. reproduce within host cell

b. presence of cell wall

c. fully parasitic in nature

d. presence of either DNA or

  • b. presence of cell wall

Q. The colour of the carrots is due to the presence of –

a. Carotene

b. Chlorophyll

c. Phycocyanin

d. Phycoerythirn

  • a. Carotene

Q. Name the vitamin whose deficiency causes excessive bleeding?

a. Vitamin A

b. Vitamin B

c. Vitamin K

d. Vitamin C

  • c. Vitamin K

Q. Study of old age is called –

a. Gerantalogy

b. Pedology

c. Ornithology

d. Anthropology

  • a. Gerantalogy

Q. Which of the following is also used as a Bio fertilizer?

a. Rhizobium

b. Azotobactar

c. Azospirillum

d. All of the above

  • d. All of the above

Q. Wings of birds and insects are –

a. Xenologous

b. Homologous

c. Paralogous

d. Analogous

  • d. Analogous

Q. With which one of the following Jacobsons organ is related to?

a. Vision

b. Chewing

c. Smelling

d. Hearing

  • c. Smelling

Q. Oxyntic cell is meant for the secretion of

a. Pepsin

b. Enterokinase

c. Hydrochloric acid

d. Lactic acid

  • c. Hydrochloric acid

Q. The most suitable soil for the production of cotton is –

a. Black lava soil

b. Alluvial soil

c. Loamy soil

d. Well drained soil

  • a. Black lava soil

Q. Chromosorne designation of Turner sydrorne is :

a. 44A+XO

b. 44A+XXX

c. 44A+XXY

d. 44A+XYY

  • a. 44A+XO

Q. Rusting is the process of –

a. Oxidation

b. Reduction

c. Decomposition

d. Displacement

  • a. Oxidation

Q. Enzymes are -

a. Steroids

b. Carbohydrates

c. Proteins

d. Lipids

  • b. Carbohydrates

Q. The plant that behaves as a root parasite is -

a. Ficus

b. Santalum

c. Cuscuta

d. Euphorbia

  • c. Cuscuta

Q. Which of the following is the basic characteristic of a living organism?

a. Ability to breathe

b. Ability to reproduce

c. Ability to move

d. Ability to eat

  • a. Ability to breathe

Q. Myopia is a disease connected with –

a. Lungs

b. Brain

c. Ears

d. Eyes

  • d. Eyes
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