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BOTANY

Latest questions in this category.

45 questions

Which of the following statements about numerical taxonomy is correct?

Numerical taxonomy classifies organisms using statistical methods based on numerous observable characteristics. 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.

Which of the following statements about conservation strategies is correct?

In situ conservation strategies, such as national parks and wildlife sanctuaries, protect species within their natural environment. 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: Biology - Botany portion covering relevant concept.

Which of the following statements about seeds is correct?

The radicle develops into the root, while the plumule forms the shoot. 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.

Which of the following statements about telophase is correct?

During telophase, the nuclear membrane reforms around the separated chromosomes. 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.

In Mendelian inheritance, what is the expected genotypic ratio of the F2 generation in a monohybrid cross?

The expected genotypic ratio in a monohybrid cross (F2 generation) is 1:2:1 (homozygous dominant: heterozygous: homozygous recessive). 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: Principles of Inheritance and Molecular Basis of Inheritance, Topic: Genetics and molecular biology in plants.

Which of the following statements about auxin is incorrect?

Auxin promotes apical dominance; it does not inhibit it. Cytokinins help overcome apical dominance. 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.

Which of the following is an example of ex situ conservation?

Ex situ conservation involves removing species from their natural habitats, as done in botanical gardens. 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.

Which part of the dicot leaf contains chloroplasts and is responsible for photosynthesis?

Mesophyll consists of palisade and spongy parenchyma, both of which contain chloroplasts and perform 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.

Which of the following is an incorrect statement about the role of forests in biodiversity conservation?

Deforestation leads to habitat loss and decreases biodiversity by threatening plant and animal species. 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.

Which of the following statements about codominance is incorrect?

In codominance, both alleles contribute equally to the phenotype rather than one being dominant over the other. 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.

Which type of mutation results in a premature stop codon?

A nonsense mutation results in a premature stop codon, leading to incomplete protein synthesis. 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.