Multiple Choice Questions Based on Experiment | Life Process Class 10th Science

Here we have Provided Some Intersting Questions of class 10th Science Based on the experiment In multiple questions that will you in your Board Exam 2021 Term-1

Write ✍️ Your answer in copy match all your with the answers given at the end of the last question ⁉️

1. A student set up apparatus to show that carbon dioxide is released during respiration. After two hours he would observe

A) KOH turns milky

B) water label rising in bent tube

B) water level decreased in bent tube

C) water turning turbid in beaker

2. Anaerobic respiration can take place in:

A) dry seeds

B) germinating seeds

C) flower buds

D) all

3. In the figure of the experiment water level is found to rise inventive. The reason is that:

A) seeds used up oxygen in the flask

B) CO2 is given out by germinating seeds

D) carbon dioxide release by seed is observed by KOH

4. Rate of respiration in germinating seeds is higher because :

A) seeds are germinating

B) sufficient air is available

C) Cell of seed embryo are most         

active and dividing very rapidly

D) all the above

5. In the experiment demonstrating respiration in germinating seeds KOH is used to

A) Absorb water vapour released by the seeds

B) absorb oxygen present in the Flask

C) Absorb carbon dioxide produced by the seeds

D) liberate oxygen to be used by the seeds

6. Will the rate of respiration be the same if the seeds dry up due to absence of moisture?

A) remain the same

B) decrease

C) increase

D) may either increase or decrease

7. Is used in the experiment to ensure that all connections are are airtight?

A) oil

B) Vaseline

C) wax

D) none of these

8. Using same number of germinating seeds two students A and b set up the experiment separately. Student used cotton plug in the mouth of conical flask. Student day is use rubber cork . After few hours they noticed that :?

A) water level increase in the bend tube A only

B) water level increase in the bent tube of B only

C) water in beaker A turned milky

D) water in beaker B turned milky

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Answers:

1. (B), 2. (B), 3. (D), 4. (C) 5. (A), 

6. (B), 7. (B), 8. (B)

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