biology MCQs – Page 62

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 Review each marked answer and report any item that may be outdated or unclear.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
1221. Genetic information carriers is/are____________?
comments icon0

A. DNA

B. Chromosomes

C. Gene

D. Nucleus

1222. Stress indicating hormones are____________?
comments icon0

A. Adrenaline

B. ACTH

C. All of these

D. Cortisol

1223. Main use of salt in diet is to_________?
comments icon0

A. Increase the taste

B. produce small amount of hydrochloric acid required for digestion

C. Ease the process of cooking

D. None of the above

1224. Another name for liver is called ___________ ?
comments icon0

A. Hepta

B. Heptum

C. Hepar

D. Hilum

1225. Smooth muscles, cardiac muscles and glands are regulated by:
comments icon0

A. Sympathetic nervous syetem

B. Parasympathetic nervous system

C. Autonomous nervous system

D. Central nervous system

1226. In onion food is stored in_______________?
comments icon0

A. Bud

B. Root

C. Aerial stem

D. Scale leaves
1227. Fuel used by cells in cellular respiration to get energy is ________ ?
comments icon0

A. Sugar

B. Polypeptides

C. polysaccharides

D. Glucose
1228. What content does only a plant cell has___________?
comments icon0

A. Cell Membrane

B. Cytoplasm

C. Chromatin

D. Cell wall
1229. What is the percentage of water present in our brain?
comments icon0
A. 73%

B. 95%

C. 85%

D. 97%

1230. Bio means: ___________?
comments icon0

A. Community

B. Cycle

C. None of These

D. Life
1231. An increase in the heart rate is termed as:_________?
comments icon0

A. Bradycardia

B. Non of these

C. Trachybradycardia

D. Tachycardia
1232. Coelom is divided into septa in case of:__________?
comments icon0
A. Annelids

B. Cniderians

C. Molluscs

D. Sponges

1233. Genes are made up of ________ ?
comments icon0
A. Polynucleotides

B. Hydrocarbons

C. Histones

D. Lipoproteins

1234. Wilkins X-ray diffraction showed the diameter of the DNA helix as ________?
comments icon0

A. 40A

B. 30A

C. 20A

D. 10A

1235. Dysentery is a disease that can lead to severe diarrhea with mucus or blood in the feces caused by inflammation in?
comments icon0

A. Stomach

B. Colon

C. Small intestine

D. Liver

1236. Parkinson is a disease of_________?
comments icon0
A. Brain

B. Bones

C. Eyes

D. Lungs

1237. The part the body may be repaired, replaced or removed _____________?
comments icon0

A. Pharmacology

B. Medicine

C. Physiology

D. Surgery
1238. Acetabularia mediterranea has a cap of _________ ?
comments icon0

A. Cone shape

B. Regular shape

C. Triangular shape

D. Circular shape

1239. Homologous chrosomes which are present in male and female both are known a _________?
comments icon0

A. Heterosomes

B. Replosomes

C. Autosomes

D. Androsomes

1240. A species inhabiting different geographical areas is known as_________ ?
comments icon0

A. Hetropatric Specie

B. Allopatric Specie

C. Homopatric Specie

D. Astroparic specie