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#plant biology

460 public questions tagged with this topic.

BOTANY

Which of the following statements about fruit types is incorrect?

Legumes are dehiscent fruits that split open at maturity to release seeds. This follows from latest NCERT 2026-27 principle explaining the concept clearly for NEET students in simple steps as per rationalized syllabus.

Ref: NCERT Biology Textbook - Latest Edition for Academic Session 2026-27 (Botany section, Rationalized Textbook for Class XI and XII), Chapter: Biology - Botany portion (Latest NCERT Textbooks for Academic Session 2026-27 -

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BOTANY

Which of the following groups contains members that lack chlorophyll and obtain nutrients through absorption?

Fungi lack chlorophyll and obtain nutrients through absorption, either as saprophytes or parasites. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.

Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Morphology and Anatomy of Flowering Plants, Topic: Plant structure and tissue systems.

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BOTANY

Which pathway is used by plants such as maize and sugarcane to minimize photorespiration?

Câ‚„ plants, such as maize and sugarcane, use the Câ‚„ pathway to minimize photorespiration and increase COâ‚‚ efficiency. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.

Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Morphology and Anatomy of Flowering Plants, Topic: Plant structure and tissue systems.

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BOTANY

Which external factor is rarely a limiting factor for photosynthesis under natural conditions?

Light is rarely a limiting factor in nature because plants require only about 10% of full sunlight for photosynthesis. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.

Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Morphology and Anatomy of Flowering Plants, Topic: Plant structure and tissue systems.

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ZOOLOGY

Which polysaccharide is stored in plant tissues as an energy reserve?

Starch is the primary storage polysaccharide in plants, serving as an energy reserve. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.

Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Structural Organisation in Animals and Frog, Topic: Tissues, skeletal and organ systems.

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BOTANY

Which plastid type is responsible for storing oils and fats?

Elaioplasts are specialized leucoplasts responsible for storing oils and fats in plant lls. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.

Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Morphology and Anatomy of Flowering Plants, Topic: Plant structure and tissue systems.

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BOTANY

In which type of inflorescence are older flowers at the base and younger ones at the tip?

In racemose inflorescence, the main axis continues to grow, and older flowers are found at the base while younger ones are at the tip. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.

Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Morphology and Anatomy of Flowering Plants, Topic: Plant structure and tissue systems.

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BOTANY

Which of the following statements about inflorescence is incorrect?

Cymose inflorescence has a basipetal arrangement, where older flowers are at the top and younger ones at the base. This follows from NCERT principle where relation explains outcome clearly for students.

Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Biology - Botany portion covering relevant concept, Topic: Plant structure, physiology and applications.

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BOTANY

Which of the following statements about inflorescence is incorrect?

Cymose inflorescence has a basipetal arrangement, where older flowers are at the top and younger ones at the base. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.

Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Morphology and Anatomy of Flowering Plants, Topic: Plant structure and tissue systems.

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BOTANY

Which of the following statements about stomata is correct?

Each stoma is surrounded by two guard lls, which regulate its opening and closing. The outer walls are thin, and the inner walls are thick. This follows from latest NCERT 2026-27 principle explaining the concept clearly for NEET students in simple steps as per rationalized syllabus.

Ref: NCERT Biology Textbook - Latest Edition for Academic Session 2026-27 (Botany section, Rationalized Textbook for Class XI and XII), Chapter: Biology - Botany portion (Latest NCERT Textbooks for Academic Session 2026-27 -

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BOTANY

Which lls in plants regulate transpiration?

Guard lls regulate the opening and closing of stomata, thereby controlling transpiration in plants. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.

Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Morphology and Anatomy of Flowering Plants, Topic: Plant structure and tissue systems.

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BOTANY

Which tissue system in plants is responsible for the transportation of water and nutrients?

The vascular tissue system, consisting of xylem and phloem, is responsible for the conduction of water, nutrients, and food in plants. This follows from NCERT principle where relation explains outcome clearly for students.

Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Biology - Botany portion covering relevant concept, Topic: Plant structure, physiology and applications.

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