KVPY Government Jobs Exams

Plant roots are usually devoid of chlorophyll and cannot perform photosynthesis. However, there are exceptions.
Which of the following plant root can perform photosynthesis ?
(A) Arabidopsis (B) Tinospora (C) Rice (D) Hibiscus

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KVPY Other Question

DNA mutations that do not cause any functional change in the protein product are known as –
(A) nonsense mutations (B) missense mutations (C) deletion mutations (D) silent mutations Vitamin A deficiency leads to night-blindness. Which of the following is the reason for the disease ?
(A) rod cells are not converted to cone cells
(B) rhodopsin pigment of rod cells is defective
(C) melanin pigment is not synthesized in cone cells