The pericycle is primarily involved in:

The correct answer is B: Formation of lateral roots. The pericycle, a layer of parenchyma cells inside the endodermis, initiates the formation of lateral roots.

The rate of transpiration is LEAST affected by which of the following factors?

The correct answer is B: Soil pH. Soil pH has minimal direct effect on transpiration rate. Primary factors affecting transpiration are light, humidity, temperature, and wind velocity.

The arrangement of sporangia in ferns is called a:

The correct answer is A: Sorus. A sorus (plural: sori) is a cluster of sporangia found on the underside of fern fronds, typically covered by an indusium.

Rhizoids in bryophytes serve primarily for:

The correct answer is B: Anchorage and water absorption. Rhizoids are root-like structures that anchor bryophytes to the substrate and facilitate absorption of water and minerals.

Pollen grains of which plant show the longest viability period under room temperature?

The correct answer is C: Date palm. Date palm pollen can remain viable for several months under room temperature due to low moisture content and thick protective wall. This is unusual compared to most angiosperms.

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NEET Botany
Reproduction in Plants

Botany questions for NEET UG — Plant Anatomy, Physiology, Reproduction, Ecology.

12 Q 7 Topics Take Mock Test

Difficulty: All Easy Medium Hard 11–12 of 12

Topics in NEET Botany

All Plant Kingdom 100 Plant Anatomy 100 Plant Physiology 100 Reproduction in Plants 60 Genetics & Heredity 20 Ecology & Environment 20 Biotechnology in Plants 20

Q.11 Hard Reproduction in Plants

In apomixis, seeds are produced without:

A Flower formation

B Meiosis and fertilization

C Fruit formation

D Seed coat development

Correct Answer: B. Meiosis and fertilization

EXPLANATION

Apomixis is asexual reproduction through seeds, occurring without meiosis and fertilization, producing clones of the parent.

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Q.12 Hard Reproduction in Plants

Which of the following statements about pollen grains is INCORRECT?

A Each pollen grain contains two cells initially

B Pollen wall consists of exine and intine

C Pollen grains are always unicellular

D Generative cell undergoes mitosis to form sperm cells

Correct Answer: C. Pollen grains are always unicellular

EXPLANATION

Mature pollen grains are bicellular (or sometimes tricellular), not unicellular. They contain vegetative and generative cells.

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NEET Botany Reproduction in Plants

NEET Botany
Reproduction in Plants