Biology MCQs Class 9 | Quiz

The loss of water from the surface of plant through evaporation is called ______.

(A) Transcription
(B) Transpiration
(C) Translocation
(D) Transduction

Answer: (B) Transpiration

Which of the following is a water-soluble vitamin?

(A) Vitamin K
(B) Vitamin D
(C) Vitamin C
(D) Vitamin A

Answer: (C) Vitamin C

In the light reaction of Photosynthesis, when electron are passed to electron transport chain, _____ is produced.

(A) NADP⁺
(B) NADPH
(C) ATP
(D) ADP

Answer: (C) ATP

If organic co-factors are loosely attached with the enzymes, they are called _____.

(A) Co-enzymes
(B) Prosthetic group
(C) Inhibitors Enzymes
(D) None of these

Answer: (A) Co-enzymes

In which phase of Meiosis, Tetrad of chromosomes is formed?

(A) Interphase
(B) Prophasel
(C) Metaphasel
(D) Anaphase I

Answer: (B) Prophasel