Model Paper 5 - Bihar Board (BSEB) STD 12 Science BIOLOGY Questions - Vidyadip

Question types

Model Paper 5 question types

58 questions across 6 question groups — pick any mix to generate a BIOLOGY paper with step-by-step answer keys.

58

Questions

6

Question groups

5

Question types

M.C.Q [1M]

Fill in blanks.

1 Marks Question

Short Answer Type Questions [2M]

3 Marks Question

Long Answer Type Questions [5M]

Sample Questions

Model Paper 5 questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1M.C.Q [1M]1 Mark

In which of the following pollination takes place by lever method-

A
Ficus
B
Tulsi
C
Salvia
D
Maize

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Q 2M.C.Q [1M]1 Mark

Who coined the term antibiotic-

A
Flemming
B
Flore
C
Chain
D
Waxman

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Q 3M.C.Q [1M]1 Mark

The pyramid of number is based on-

A
Per unit area
B
Per unit of food
C
Unit in the trophic level
D
None of the above

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Q 4M.C.Q [1M]1 Mark

The country which formed the first world earth commities for protection of the environment.

A
Brazil
B
Spain
C
India
D
Peru

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Q 5M.C.Q [1M]1 Mark

The term Niche for a species is related to -

A
By special and habitual action
B
A special place where an organism lives and performs its function
C
Competitive powr of an organism
D
Special function of an organism

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Q 6Fill in blanks.1 Mark

Acquired immunity is found only in animals_________

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Q 7Fill in blanks.1 Mark

A committae to curb biopiracy has been formed by the Goveronment of India is_________

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Q 8Fill in blanks.1 Mark

The abudance of a species in its habitat is called_________

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Q 9Fill in blanks.1 Mark

Exponential growth is represented by formula_________

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Q 10Fill in blanks.1 Mark

By the_________ effect of agrosegel, DNA fragments get seperated according to their size.

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Q 111 Marks Question1 Mark

Draw a labelled diagram of the structure of messenger RNA.

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Q 121 Marks Question1 Mark

Biogas technology in India has been developed by whom.

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Q 131 Marks Question1 Mark

Write the name of Hormone involved in the process of Parturition.

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Q 141 Marks Question1 Mark

Write two harmful effects on humans due to the use of transgenic plants.

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Q 151 Marks Question1 Mark

Which is called the lungs of the earth and why.

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Q 16Short Answer Type Questions [2M]2 Marks

Which structure is formed by graffian follicle after ovulation. Write the function and future of this structure.

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Q 17Short Answer Type Questions [2M]2 Marks

What is the source of energy in ecosystem. Explain the structure of the energy pyramid in an ecosystem with the help of a diagram.

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Q 18Short Answer Type Questions [2M]2 Marks

The crystals of Bt-toxin protein synthesized by some bacteria kill insects but not themselves. Explain the statement with reasons.

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Q 19Short Answer Type Questions [2M]2 Marks

Give suggestions for conceiving a child to women who is unable to produce eggs. but provides suitable environment for fertilization and embryo development.

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Q 20Short Answer Type Questions [2M]2 Marks

Give a brief introduction of the process of recombinant DNA technology.

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Q 213 Marks Question3 Marks

What is a food chain. How many tpes are there. Explain each type of food chain with examples.

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Q 223 Marks Question3 Marks

What are ecological pyramids and how are they formed. Explain there different types

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Q 233 Marks Question3 Marks

Explain apogamy and polyembryony. State the reasons for the occurrence of polyembryony.

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Q 243 Marks Question3 Marks

Write the causes and symptoms of pheny ketonuria and sickle cell anemia.

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Q 253 Marks Question3 Marks

What is xenogamy. Explain in detail the various adaptations found in plants for xenogamy.

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Q 26Long Answer Type Questions [5M]5 Marks

Explain fluid mediated immunity and cell mediate immunity in detail.

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Q 27Long Answer Type Questions [5M]5 Marks

Differentiate between DNA and RNA. Explain the transcription process in prokaryotic organisms with the help of diagram.

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Q 28Long Answer Type Questions [5M]5 Marks

What is lacoperon. Draw its labelled diagram. Explain its structure and mechanism of action of lac operon.

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Q 29Long Answer Type Questions [5M]5 Marks

Explain the ill effects of drug and alcohol use in adolescence and tell about its preventions and control.

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