Top 1000+ Solved Biology (GK) MCQ Questions Answer

From 181 to 195 of 1657

Q. The term 'Rh factor' refers to -

a. Rhesus factor

b. Rheumatoid factor

c. Renal factor

d. Rhombic factor

  • a. Rhesus factor

Q. Which one of the following is also called the 'power plants' of the cell?

a. Golgi body

b. Mitochondrion

c. Ribosome

d. Lysosome

  • b. Mitochondrion

Q. What is the chemical name ofvinegar?

a. Citric acid

b. Acetic acid

c. Pyruvic acid

d. Mahe acid

  • b. Acetic acid

Q. pH of blood is –

a. 10.4

b. 9

c. 7.4

d. 4

  • c. 7.4

Q. Smaller roots coming out of main root is called as             .

a. Tap root

b. Lateral root

c. Fibrous root

d. Ring root

  • b. Lateral root

Q. The vitamin that helps to prevent infections in the human body is -

a. vitamin A

b. vitamin B

c. vitamin C

d. vitamin D

  • c. vitamin C

Q. The normal RBC count in adult male is

a. 5.5 million

b. 5.0 million

c. 4.5 million

d. 4.0 million

  • b. 5.0 million

Q. Study of newly born up to the age of 3 months is called -

a. Chorology

b. Conchology

c. Nematology

d. Neonatology

  • d. Neonatology

Q. Which one of the following does not secrete any digestive enzyme?

a. Liver

b. Salivary gland

c. Glands of small intestine

d. Pancreas

  • a. Liver

Q. The causative agent of Tuberculosis is

a. Mycobacterium

b. Aspergillus

c. Rhabdovirus

d. HIV.

  • a. Mycobacterium

Q. The enzyme that is present in the saliva of man is -

a. Pepsin

b. Renin

c. Amylase

d. Trypsin

  • c. Amylase

Q. The seeds of certain plants fail to germinate if they do not pass through the digestive tract of fruit-eating birds. This is due to -

a. hibernation

b. seed coat impermeability

c. infertility

d. vegetative reproduction

  • b. seed coat impermeability

Q. Animals having open circulatory system POSSESSES –

a. coelenteron

b. spongocoel

c. pseudocoel

d. haemocoel

  • d. haemocoel

Q. Which of the following weeds has been found useful to check water pollution caused by industrial affluents?

a. Parthenium

b. Elephant grass

c. Water hyacinth

d. Both (1) and (2) above

  • c. Water hyacinth

Q. Which of the following is correlated with blood pressure?

a. Liver

b. Testis

c. Pancreas

d. Adrenal

  • d. Adrenal
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