Model Paper 3 - Bihar Board (BSEB) STD 12 Science BIOLOGY Questions - Vidyadip

Question types

Model Paper 3 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 3 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

What is the relationship between mycorrhiza fungus and roots.

A
Parasite
B
Saprophyte
C
Symbiotic
D
Epiphyte

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

Who was awareded the Nobel prize for artificial gene synthesis-

A
Hargobind Khurana
B
M.S. Swaminathan
C
B.P. Paul
D
P. Maheshwari

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

The symptoms of double fertilization and triple fusion are-

A
Gymnosperm
B
Angiosperm
C
Bryophytes
D
Pteridophytes

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

Energy stored at the consumer level is called-

A
Gross primary productivity
B
Secondary productivity
C
Net primary productivity
D
Net productivity

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

Restriction enzyme was discovered by-

A
Berg
B
Smith and North
C
Waxman
D
Alexander flemming

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Q 6Fill in blanks.1 Mark

In both chain of Insulin_________amino acids are present.

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Q 7Fill in blanks.1 Mark

Triploid endosperm is formed by the fusion of _________

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Q 8Fill in blanks.1 Mark

The Government of India got the patent against cancelled_________

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Q 9Fill in blanks.1 Mark

Parasites that drive nutrition from the outer surface of host are called_________

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Q 10Fill in blanks.1 Mark

Swiss cheese is made by_________bacteria.

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Q 111 Marks Question1 Mark

Write the name of cry gene which conrol cotton bollworm and maize borer.

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Q 121 Marks Question1 Mark

Write the names of four basics factors that control population density.

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Q 131 Marks Question1 Mark

Write the characteristics of Neanderthal man.

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Q 141 Marks Question1 Mark

Which components are present in nucleotides.

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Q 151 Marks Question1 Mark

What is Toddy. How is it produced.

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

Draw a labelled diagram of structure of sperm.

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

Described the Lactional amnorrhea method of birth control.

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

What is primary productivity. How does it differ from net primary productivity.

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

What is the competitive exclusion principle or Gauss's principle. Explain resources divison.

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

What are biodiversity hot spot. How are they determind. Write the name of hotspots of India.

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Q 213 Marks Question3 Marks

Explain energy flow in the ecosystem. Give diagrammatic representation of energy flow through different trophic level.

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Q 223 Marks Question3 Marks

Explain protenor type of sex determination with an example draw its ray diagram.

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Q 233 Marks Question3 Marks

What is Incomplete dominance. Explain the inheritance of colour in snapdragon flower up to $\mathrm{F}_{2}$ generation.

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Q 243 Marks Question3 Marks

Explain the development of embryo after fusion in dicot plants. Development of endosperm is advanced in comparison of development of embryo. Explain.

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Q 253 Marks Question3 Marks

Draw a labelled diagram of transverse section of anther. Describe the Internal structure of micro sporangium.

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

What is Human genome project. Present its features and explain its mechanism.

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

Write the differences in following-
(a) Humoral Immunity and cell mediated Immunity.
(b) Innate Immunity and acquired Immunity
(c) Antigens and antibody
(d) T-lymphocytes and B-lymphocytes

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

What is nucleosome. Draw a labelled diagram of nucleosome. Explain the structures of DNA helix.

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

Write the differences in following-
(a) Write the causes of cancer.
(b) Explain Cancer detection
(c) Write the characters of cancer cells
(d) Write the types of cancer

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