CBSE Class 12 Biology Daily Practice Questions 22 October 2023

CBSE Class 12 Biology Daily Practice Questions 22 October 2023

CBSE Class 12 Biology Daily Practice Questions 22 October 2023 : Biology is a crucial subject in the CBSE Class 12 Science syllabus. To get good grades in Class 12 Science, students need to get amazing results in all the subjects. Therefore, we have provided daily practice questions from the Biology subject of the Class 12 syllabus. The questions are stated from the previous year’s CBSE Class 12 Biology question paper. Solve these questions to strengthen your preparation every day.

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CBSE Class 12 Biology Daily Practice Questions 22 October 2023

Students can analyze their CBSE Class 12 Biology preparation by solving daily practice questions provided below:

Question 1: Multiple-Choice Question

Bryophyllum daigremontianum reproduces by

1. Vegetative propagation
2. Budding
3. Fission
4. Fragmentation

Question 2: Very Short Answer Type Question

Why is potato tuber considered as a stem though it is an underground part? Give two reasons in support of your answer?

Question 3: Short Answer Type Question

Name and describe the technique that helps in separating the DNA fragments formed by the use of restriction endonuclease.

Question 4: Case-Based Question

The Living World provides a fundamental understanding of the diversity of life forms on Earth. It begins by defining life and living organisms, moving on to explain the concept of biodiversity, its types, and the importance of this diversity. The chapter further introduces the hierarchical organization of life forms in the biosphere, starting from individuals and progressing to species, genus, families, and so on, up to the kingdom level. It also emphasizes the system of binomial nomenclature developed by Carl Linnaeus and the importance of classification, taxonomy, and systematics in biology. Additionally, it provides insights into herbariums, botanical gardens, zoological parks, and museums, which serve as repositories of collected plant and animal specimens.

A. What is Biodiversity?

1. The variety of life forms present on Earth
2. The system of naming organisms
3. The study of plant and animal specimens
4. The process of classifying organisms into various categories

B. What does the hierarchical organization of life forms begin with?

1. Family
2. Genus
3. Species
4. Kingdom

C. Who developed the system of binomial nomenclature?

1. Charles Darwin
2. Gregor Mendel
3. Carl Linnaeus
4. Jean-Baptiste Lamarck

D. What is the importance of classification in biology?

1. It helps in understanding the interrelationships among different groups of organisms
2. It helps in defining life
3. It helps in identifying the number of species on Earth
4. It helps in understanding the concept of biodiversity

E. What is the purpose of botanical gardens and zoological parks?

1. They serve as tourist attractions
2. They serve as places for scientific research
3. They serve as repositories of plant and animal specimens
4. They serve as places for breeding endangered species

Question 5: Long Answer Type Question

State the differences between Oestrous and menstrual cycle and Ovipary and vivipary

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