In submerged hydrophytes entry of CO2 is through

In submerged hydrophytes entry of CO₂ is through

Options

(a) Epidermis as dissolved CO₂ (b) Epidermis as carbonates only (c) Epidermis as bicarbonates only (d) Both carbonates and bicarbonates

Correct Answer:

Both carbonates […]

In saltatory conduction of impulse

In saltatory conduction of impulse

Options

(a) time is conserved (b) energy is conserved (c) both time and energy are conserved (d) neither time nor energy is conserved

Correct Answer:

energy is conserved

[…]

In rabbit radius and ulna are

In rabbit radius and ulna are

Options

(a) Completely fused together (b) Completely separated (c) Fused in middle and separated at both the ends (d) Separated but united at both the ends

Correct […]

In nonendospermic seeds food is stored in

In non-endospermic seeds, food is stored in

Options

(a) Seed coat (b) Endosperm (c) Cotyledons (d) Ovule

Correct Answer:

Cotyledons

Explanation:

Non-endospermic or Exalbuminous seed: Endosperm is completely consumed by the developing embryo […]

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