Asexual and Sexual Reproduction in Plants — BIO BOTANY STD 12 — Question

A vector should __________
(i) contain suitable marker
(ii) contain ori site
(iii) have poly linkess
(iv) be small in size

Green fluorescent protein (GFP) was isolated from

Protoplast are the cells devoid of ___________

Assertion (A) : Golden rice helps to overcome childhood blindness.
Reason (R) : It is rich in P carotene.

Statement 1: Self-sterility in Nicotiana is controlled by multiple alleles.
Statement 2: Multiple alleles are always responsible for the same character.

Match the following:
Epistatic interaction Example
(A) Complementary genes (i) Seed capsule in xxxxx
(B) Supplementary genes (ii) Leaf color in rice plant
(C) Inhibitory genes (iii) Grain color in maize
(D) Duplicate genes (iv) Flower color in sweet peas

Assertion (A): Pyramid of energy is upright.
Reason (R): During the energy transfer at successive trophic levels from producers there will be a gradual decrease

Which of the following plant was introduced as a contaminant into India along with wheat?

Assertion (A) : Plains and valleys are rich in vegetation
Reason (R): Slow drain of surface water and better water retention is noticed.

Which is not a non-ionizing radiation?