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Biology quiz day-8

Update on: 23 Apr 2019, 02:04 PM

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1. ASSERTION : Mitochondria and chloroplasts have their own genome. REASON : Endoplasmic reticulum and Golgi body are the cell organelles which have their own DNA.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

2. ASSERTION : The higher the turn-over number the more efficient an enzyme is. REASON : Turn-over number is not dependent upon the number of active sites present over an enzyme.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

3. ASSERTION : Translocation of sugar from source (leaf) to sink is defined as pressure flow hypothesis. REASON : Translocation of the solute is facilitated through living phloem sieve tube cells.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

4. ASSERTION : Glycolysis is the first step of respiration in which glucose completely breaks into CO2 and H2O. REASON : In glycolysis process, net gain of ATP is twenty four molecules.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

5. ASSERTION : Trypsinogen is activated by enterokinase into active trypsin which in turn activates other enzymes in the pancreatic juice. REASON : The pancreatic juice contains inactive enzymes which are activated by intestinal juice.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

6. ASSERTION : According to Haldane effect, binding of oxygen with haemoglobin tends to displace carbon dioxide from the blood. REASON : It is quantitatively far more important in promoting CO2 transport than the Bohr effect in promoting O2 transport.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

7. ASSERTION : While on going down the loop of Henle, the filtrate becomes hypotonic. REASON : The descending limb of loop of Henle is impermeable to both water and electrolytes.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

8. ASSERTION : On stimulation, a muscle cell releases calcium ions (Ca2+) from sarcoplasmic reticulum. REASON : By reacting with a protein complex, Ca2+ uncover active sites on the actin filaments.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

9. ASSERTION : All copulations do not lead to the fertilisation and pregnancy. REASON : Fertilisation can occur only if the ovum and sperms are transported simultaneously to the ampullary – isthmic junction.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

10. ASSERTION : Crossing over is important in evolution. REASON : Parts of homologous chromosomes are interchanged in crossing over.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

Biology quiz day-8

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