CBSE Class 11 PSA Biology Sample Paper Set A

Read and download PDF of CBSE Class 11 PSA Biology Sample Paper Set A designed as per the latest curriculum and examination pattern for Class 11 issued by CBSE, NCERT and KVS. The latest Class 11 Class XI Sample Papers have been provided with solutions so that the students can solve these practice papers and then compare their answers. This will help them to identify mistakes and improvement areas in Class XI Standard 11 which they need to study more to get better marks in Grade 11 exams. After solving these guess papers also refer to solved Class 11 Class XI Question Papers available on our website to build strong understanding of the subject

CBSE Class 11 PSA Biology Sample Paper Set A. 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.
 

Questions

Q1. Snakes and Hawks are predators of mice in a field. Dogs are also brought in the field. What will be the immediate result?

a. Decrease in the number of Dogs.

b. Decrease in the number of Snakes

c. Decrease in the number of hawks

d. Decrease in the number of mice

 

Q2. The quality without which no success in life is possible

a) Honesty and money

b) Sincerity and hard work

c) Sociability and character

d) Manipulation and money

 

Q3. From the point of view of population control through family planning there should be:

a) More literacy of males than females

b) More literacy of women than men.

c) Eradication of illiteracy of the old men

d) Emphasis on expansion of education

 

Q4. At an examination, 7500 candidates appeared. Each opted either Physics or Biology or both. If 75% opted physics and 45% opted, how many opted both.

a) 1000

b) 1500

c) 1750

d) 2000

 

Q5. Arun is one – third his father’s present age. After how many years will his father be twice as old as Arun, if the latter is 10 years old now?

a) 15

b) 5

c) 10

d) 7

 

Passage based

Some animals hibernate or go into a deep sleep as an adaptation to the cold

months of winter. Hiibernattiion is different from normal sleep. During hibernation, an animal seems to be dead. Its mettabolliism slows down and its body temperature drops. Its heartbeat slows to only two or three beats a minute. Since its bodily processes are soslow, it needs very little food to stay alive. Some animals which hibernate are toads,skunks, ground squirrels, bees, and bats. Bears sleep during the winter, but they are nottrue hibernators. They wake up when they hear loud noises. Some animals estivate, or go into a deep sleep as an adapttattiion to the hot, dry months of summer.

During esttiivattiion,an animal’s heartbeat and breathing slow down. During estivation, an animal does not grow or move. It does not need to eat because it is not using much energy. Some animals burrow underground, where it is cooler, before they begin to estivate. Some animals which estivate are reptiles, bees, hedgehogs, frogs, toads, and earthworms.

 

 

Please click the link below to download CBSE Class 11 PSA Biology Sample Paper Set A

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