Top 1000+ Solved Biology (GK) MCQ Questions Answer

From 736 to 750 of 1657

Q. Which of the following is used for wrapping of fractured bones?

a. White cement

b. White lead

c. Zinc oxide

d. Plaster of Paris

  • d. Plaster of Paris

Q. Which one of the following is a water borne disease?

a. Diabetes

b. Cholera

c. Small Pox

d. Malaria

  • b. Cholera

Q. The coding segment of DNA is called in

a. Codon

b. Muton

c. Intron

d. Exon

  • a. Codon

Q. Mercury poisoning in man causes the disease –

a. Black lung

b. Arsenicosis

c. Minamata

d. Tai-Etai

  • c. Minamata

Q. Chromosomes consist of –

a. DNA and lipids

b. RNA and amino acids

c. DNA and proteins

d. RNA and sugar

  • c. DNA and proteins

Q. Absence of fish along a river indicates

a. Zone of degradation

b. Zone of active decomposition

c. All zones of pollution

d. Zone of recovery

  • a. Zone of degradation

Q. Which of the following is not an endocrine gland?

a. Pituitary

b. Thyroid

c. Adrenal

d. Spleen

  • d. Spleen

Q. Which of the following is an insectivorous plant?

a. Balanophora

b. Rafflesia

c. Orobanche

d. Drosera

  • d. Drosera

Q. Seed dormancy is regulatedby –

a. Abscisic acid

b. Gibberellic acid

c. Indole acetic acid

d. Ethylene

  • a. Abscisic acid

Q. The process through which excess of light energy is dissipated in photosynthesis is known as

a. Quenching

b. Scavenging

c. Photolysis

d. Photophosphatylation

  • a. Quenching

Q. AIDS virus destroys –

a. Lymphocytes

b. Monocytes

c. Neutrophils

d. Basophils

  • a. Lymphocytes

Q. Which bacterial strain developed from natural isolates by genetic manipulations can be used for treating oil spills?

a. Pseudomonas

b. Agrobacterium

c. Clostridium

d. Nitrosomonas

  • d. Nitrosomonas

Q. Thiamidine dimer formation in DNA is caused by -

a. IR-rays

b. X-rays

c. b and g-rays

d. UV-rays

  • d. UV-rays

Q. One of the following excretes uric acid as its excretory product –

a. Amoeba

b. Tilapia

c. Sparrow

d. Camel

  • c. Sparrow
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