“Plant Kingdom” MCQ with Answer Explanation : NEET 2025.

MCQ 41:
Which of the following is not a function of roots?

A) Anchorage
B) Storage of food
C) Photosynthesis
D) Absorption of water

Answer: C) Photosynthesis

Explanation: Roots primarily function in anchorage, nutrient and water absorption, and food storage, but they do not perform photosynthesis.

MCQ 42:
What is the term for plants that can live in saline environments?

A) Xerophytes
B) Halophytes
C) Mesophytes
D) Hydrophytes

Answer: B) Halophytes

Explanation: Halophytes are plants adapted to thrive in salty environments, such as coastal areas or salt marshes.

MCQ 43:
In plants, what is the function of the cambium?

A) Photosynthesis
B) Water transport
C) Growth in thickness
D) Nutrient storage

Answer: C) Growth in thickness

Explanation: Cambium is a layer of meristematic tissue that contributes to the secondary growth of stems and roots, increasing their thickness.

MCQ 44:
Which of the following is a feature of ferns?

A) They produce seeds.
B) They have flowers.
C) They reproduce using spores.
D) They are non-vascular plants.

Answer: C) They reproduce using spores.

Explanation: Ferns reproduce via spores and have a dominant sporophyte generation, unlike seed-producing plants.

MCQ 45:
Which part of the plant is primarily involved in the uptake of nutrients and water?

A) Stem
B) Leaves
C) Roots
D) Flowers

Answer: C) Roots

Explanation: Roots are responsible for the uptake of water and nutrients from the soil.

MCQ 46:
Which part of the flower is typically colorful and attracts pollinators?

A) Sepal
B) Petal
C) Stamen
D) Pistil

Answer: B) Petal

Explanation: Petals are often brightly colored and serve to attract pollinators to the flower.

MCQ 47:
What is the primary function of leaf stomata?

A) Water absorption
B) Photosynthesis
C) Gas exchange
D) Nutrient storage

Answer: C) Gas exchange

Explanation: Stomata allow for gas exchange (oxygen and carbon dioxide) between the internal tissues of the leaf and the external environment.

MCQ 48:
Which plant group is known for having a high degree of diversity in forms and habitats?

A) Algae
B) Fungi
C) Angiosperms
D) Bryophytes

Answer: C) Angiosperms

Explanation: Angiosperms (flowering plants) show immense diversity in forms, habitats, and ecological roles.

MCQ 49:
What type of reproduction involves the production of offspring without fertilization?

A) Sexual reproduction
B) Asexual reproduction
C) Vegetative propagation
D) Budding

Answer: B) Asexual reproduction

Explanation: Asexual reproduction produces offspring without the fusion of gametes, leading to genetically identical individuals.

MCQ 50:
Which of the following structures protects the developing ovule?

A) Anther
B) Stigma
C) Ovary
D) Style

Answer: C) Ovary

Explanation: The ovary surrounds and protects the ovules within a flower until fertilization occurs.