ExamVeda
Login
Home

Practice MCQ Questions and answers on Biology-GK

Learn and practice General Knowledge questions and answers on Biology with very easy and understandable explanations. GK questions are very helpful different type of competitive exams. Page-5 section-11

Each section contains 100 MCQs on Biology .
41
Photosynthesis takes place in the presence of chlorophyll and ________
Discuss
Answer & Solution
Answer: Option D
Solution:
Photosynthesis takes place in the presence of chlorophyll and sunlight.
42
One of the following cannot be performed by animals.
Discuss
Answer & Solution
Answer: Option B
Solution:
Photosynthesis cannot be performed by animals.
43
Green pigment is called
Discuss
Answer & Solution
Answer: Option A
Solution:
Green pigment is called Chlorophyll.
44
Plants utilise ________ from the atmosphere for photosynthesis.
Discuss
Answer & Solution
Answer: Option C
Solution:
During photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil. Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is reduced, meaning it gains electrons. This transforms the water into oxygen and the carbon dioxide into glucose.
45
In Photosynthesis
Discuss
Answer & Solution
Answer: Option A
Solution:
In Photosynthesis light energy is converted into chemical energy.
46
Which of the following plays an important part in photosynthesis?
Discuss
Answer & Solution
Answer: Option A
Solution:
The Chloroplast contains the wonder green pigment chlorophyll which is able to trap solar energy and use it for synthesis of food.
47
Which of the following plays an important role in photosynthesis?
Discuss
Answer & Solution
Answer: Option A
Solution:
Chloroplast plays an important role in photosynthesis.
48
Which of the following gas is necessary for the process of photosynthesis?
Discuss
Answer & Solution
Answer: Option D
Solution:
To perform photosynthesis, plants need three things: carbon dioxide, water, and sunlight.
49
Photosynthesis fulfills which of the following requirements of the autotrophic organisms?
I. Carbon
II. Water
III. Energy
Discuss
Answer & Solution
Answer: Option C
Solution:
Carbon and energy requirements are fulfilled by photosynthesis.
50
The gas released during the photosynthesis by the green plants is
Discuss
Answer & Solution
Answer: Option A
Solution:
The energy from light causes a chemical reaction that breaks down the molecules of carbon dioxide and water and reorganizes them to make the sugar (glucose) and oxygen gas.