CBSE Class 11 Biology Sample Paper Set D

CBSE Class 11 Biology Sample Paper Set D. It’s always recommended to practice as many sample papers as possible before the examinations. Students can download the sample papers and also question papers of previous years to practice and score better marks in examinations. Refer to other links too for more sample papers. 

SECTION – A

1. Fill in the blank spaces:-

a) The grittiness in the pulp of pears and guava is due to ________ of sclerenchyma tissue.

b) Phellogen, Phelloderm and Phellem are together called as ___________.

2. Name any two eukaryotic cells that lack the nucleus at maturity.

3. What is meant by interphase nucleus?

4. What is the effect of substrate addition on enzyme action?

5. What is the other name of G0 phase of cell cycle?

SECTION - B

6. Name the following:-

a) A set of alternate characters used for the identification of organisms __________.

b) The place which stores the collection of preserved plants and animals __________.

c) The science of giving names to organisms _________.

d) The orderly arrangement of taxonomic categories from species to kingdom ________.

7. Explain the physiological relationships between the algal and fungal components of lichens.

What are these components known as scientifically?

8. Differentiate between the vascular bundles arrangement of Dicot root and Dicot stem.

9. Explain the phenomenon of exchange of genetic segments between the chromosomes.

10. What is the lock and Key hypothesis of enzyme action?

(OR)

Mention the main postulates of the Cell Theory.

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