NYSTCE NYSTCE Biology (006) 1

Question 1

Which organelle is responsible for producing energy (ATP) through cellular respiration?

Accepted Answer

Mitochondria

Answer

The mitochondria is known as the 'powerhouse of the cell' because it produces ATP through aerobic cellular respiration.

Question 2

During which phase of mitosis do chromosomes align along the cell's equatorial plane?

Accepted Answer

Metaphase

Answer

During metaphase, chromosomes line up along the metaphase plate at the cell's equator before being pulled apart.

Question 3

Which molecule serves as the primary carrier of genetic information in most living organisms?

Accepted Answer

DNA

Answer

DNA (deoxyribonucleic acid) stores the genetic blueprint that directs the development and functioning of all living organisms.

Question 4

What is the process by which plants convert light energy into chemical energy (glucose)?

Accepted Answer

Photosynthesis

Answer

Photosynthesis occurs in chloroplasts, using sunlight, water, and CO₂ to produce glucose and oxygen.

Question 5

Which of the following best describes the role of enzymes in biological reactions?

Accepted Answer

They act as biological catalysts that speed up chemical reactions

Answer

Enzymes are proteins that lower activation energy and accelerate biochemical reactions without being consumed in the process.

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