CBSE Class 12 Biology Daily Practice Questions 13 October 2023

​CBSE Class 12 Biology Daily Practice Questions 13 October 2023: To get good results in the Science category of Class 12 syllabus, candidates need to attain excellent scores in Physics, Biology, and Chemistry. Having said that, many students face difficulty in retaining the concepts of the Biology syllabus. Therefore, we have provided CBSE Class 12th Biology daily practice questions to help in consistent learning and revision of the topics. In addition, solving the questions can help students understand their strengths and weaknesses and work towards it to polish their concepts before the commencement of the examination. Try answering all the questions from last year’s papers to evaluate their preparation for the test. 

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CBSE Class 12 Biology Daily Practice Questions 13 October 2023

Students can analyze their CBSE Class 13 Biology preparation by solving daily practice questions provided below: 

Question 1: Multiple-Choice Question

Choose the option that gives the correct number of pollen grains that will be formed after 325 microspore mother cells undergo microsporogenesis.

1. 325
2. 650
3. 1300
4. 975 

Question 2: Very Short Answer Type Question

1. Why should antibiotics not be taken indiscriminately? Give any two reasons.
2. It is advisable to complete the course of antibiotics as prescribed by the doctor. Justify.

Question 3: Short Answer Type Question

Differentiate between the following:

1. Perisperm and Pericarp
2. Syncarpous pistil and Apocarpous pistil
3. Plumule and Radicle

Question 4: Case-Based Question

The following pedigree chart shows the inheritance of a genetic disorder up to three generations in a family. Observe the chart and answer the questions that follow. 

1. Is the disease sex-linked or autosomal as per the chart? Give reasons in support of your answer.
2. Is it a recessive or a dominant disorder?
3. Write the genotypes of the individuals ‘C’, ‘D’, and ‘H’.
4. If the female ‘D’ marries a normal man, what will be the probability of their daughter being a sufferer of this disease? OR If the mother ‘B’ is a carrier of the disease, what will be the probability of their daughter being a sufferer of this disease?

Question 5: Long Answer Type Question

The table given below gives information about different types of immunity and how they are attained. Identify P, Q, R, S, and T in the table.

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