Question

i) Which of the following is not a digestive enzyme contained in the pancreatic juice?

i. Lipase ii. Hydrochloric acid iii. Mucus iv. Trypsin

a) (i) and (ii) b) (i) and (iv)

c) (ii) and (iii) d) (i) and (iii)

ii) Sometimes we get painful cramps in our leg muscles after running for a long time due to

the accumulation of:

a) Hydrochloric acid b) Fat c) Carbon dioxide d) Lactic acid

iii) Which among the following does not reproduce by spore formation:

(a) Penicillium fungus(b) Yeast fungus (c) Mucor fungus

(d) Rhizopus fungus

iv) The process of the division of cell into several cells during reproduction in Plasmodium is

termed as:

(a) Fragmentation (b) Budding (c) Multiple fission

(d) Binary fission​

Answer 1

Answer:

1. (i) and (ii) (option c)

2. lactic acid (option d)

3. yeast fungus (as it reproduces by budding)(option b)

4. Multiple fission (option c)

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Answer 2

The answers are given as follows-

i) Which of the following is not a digestive enzyme contained in the pancreatic juice?

⇒ c) (ii) & (iii)

ii) Sometimes we get painful cramps in our leg muscles after running for a long time due to the accumulation of:

⇒ d) Lactic acid

iii) Which among the following does not reproduce by spore formation:

⇒ (b) Yeast fungus

iv) The process of the division of cells into several cells during reproduction in Plasmodium is termed as:

⇒ (c) Multiple fission

Explanation:

1. The pancreas produces enzymes that are essential for the digestion process. The juices lipase and trypsin help in the digestion of proteins and fats in the digestive system. Hydrochloric acid and mucus are not digestive enzymes.
2. The anaerobic breakdown of glucose to instantly get energy molecules happens when we exercise. Due to this, there occurs a lack of glycogen, and the lactic acid present in the tissue takes place and gets accumulated.
3. Some structures produce spores during the spore formation process. This works as a method of reproduction for these structures. Yeast fungus does not reproduce by spore formation.
4. Multiple fission is a process where the nucleus divides into multi-daughter nuclei. And this form of reproduction is seen in Plasmodium.

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