biology MCQs – Page 70

Practise multiple-choice questions from biology for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

biology Mcqs
1381. Which is NOT an example of a microbial symbiosis?
comments icon0

A. tapeworm in the cow intestine

B. protozoans found within termites

C. bacteria passing through the placenta

D. bacteria in the human colon

1382. Kranz anatomy is a characteristic feature of_________?
comments icon0
A. C4 plants

B. C2 plants

C. CAM plants

D. C3 plants

1383. Which of the following allows precise muscular movements?
comments icon0

A. Cerebrum

B. Hypothalamus

C. Cerebellum

D. Thalamus

1384. The hepatic portal vein drains blood to liver from___________?
comments icon0

A. Kidney

B. Intestine

C. Heart

D. Stomach

1385. Human skin colour is _________?
comments icon0

A. Epistatic

B. Multifactorial

C. Polygenic

D. Pleiotropic

1386. Who introduced Homeopathy in 1796?
comments icon0

A. Hakim Ajmal Khan

B. Samuel Hahnemann

C. Franz Anton Mesmer

D. Edward Jenner

1387. Which tissue of plants conducts food to its body?
comments icon0

A. None of the above

B. Xylem

C. Parenchyma

D. Phloem
1388. Oncogene is responsible for:_________?
comments icon0
A. Cancer

B. Malaria

C. Lung Disease

D. Typhoid

1389. The normal range of the number of white blood cells in a microliter of blood is between _________ ?
comments icon0

A. None of these

B. 4,900 and 12,000

C. 2,500 and 09,300

D. 4,500 and 10,000
1390. programmed death of cells is called _____________________?
comments icon0

A. Necrosis

B. Apoptosis

C. All of these

D. Blood cancer

1391. Which of the following gases readily combines with the haemoglobin of the blood?
comments icon0

A. Methene

B. Oxygen

C. Carbon monoxide

D. Nitrogen dioxide

1392. Guard cells of stoma are ________ ?
comments icon0

A. Convex in shape

B. Kidney-shaped

C. Irregular in shape

D. Long and cylindrical in shape

1393. Which of the following vitamins is useful in ostcoimalacia?
comments icon0

A. Vitamin A

B. Vitamin D

C. Vitamin C

D. Vitamin E

1394. what is the scientific name of onion?
comments icon0
A. Allium cepa

B. Rana tigrina

C. Aspergillus

D. None of these

1395. Mendal studied _________ traits of pisum sativum?
comments icon0

A. Nine

B. Eight

C. Seven

D. Six

1396. The form of carbohydrate which is synthesised in a plants is_________?
comments icon0

A. Starch

B. Glucose

C. Cellulose

D. Fructose

1397. The skull contains?
comments icon0

A. 20 bones

B. 18 bones

C. 28 bones

D. 22 bones
1398. Where is the thyroid gland located_________ ?
comments icon0

A. In the brain

B. In the thighs

C. At the back of neck

D. Near the liver

1399. The function of chrosomes of carrying genetic information from cell generation to another is performed by _________?
comments icon0

A. Calcium

B. DNA

C. Histones

D. RNA

1400. The doctor who helps in the delivery of babies is an ___________?
comments icon0
A. Obstetrician

B. Pediatrician

C. Podiatrist

D. Gynecologist