Biology Test 26

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Biology Test 26

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Weekly Quiz Competition

Question 1
4 / -1

Selective breeding, progeny testing and improvement are taking place in

A
Cattle

B
Buffalo

C
Sheep

D
Annual food crops

Solution

Mature cattle (over 3 years of age) should be used for selective breeding.
Question 2
4 / -1

One week old embryo can be preserved at

A
– 196^oC

B
–200^oC

C
–27^oC

D
None of these

Solution

In superovulation and embryo transplantation fetuses can be preserved for several days at very low temperature (– 196^oC).
Question 3
4 / -1

Mule is

A
Fertile

B
Sterile

C
Fertile after age

D
Sterile after some age

Solution

Mule is the hybrid between male ass (Jack) and female horse (mare). It has the stamina of ass and size of horse but is sterile.
Question 4
4 / -1

First artificial insemination was complete in India at

A
National Dairy Institute, Karnal (Haryana)

B
Indian Veterinary Research Institute, Izatnagar (U.P)

C
Punjab Agricultural University, Ludhiana (Punjab)

D
Allahabad Agricultural Institute, Allahabad (U.P)

Solution

World’s first buffalo calf produced by artificial insemination was born at the Allahabad Agriculture Institute on August 21, 1943.
Question 5
4 / -1

Most primitive members in which roots not present is

A
Psilotum

B
Rhynia

C
Lycopodium

D
Selaginella

Solution

Rhynia is an early vascular plant. It lacks leaves and roots.
Question 6
4 / -1

Heteromorphic alternation of generations is found in

A
Spirogyra

B
Mucor

C
Selaginella

D
Pinus

Solution

In Selaginella, sporophytic and gametophytic generations are morphologically as well as genetically differ.
Question 7
4 / -1

Which of the following is a saprophytic angiosperm?

A
Cuscuta

B
Neottia

C
Agaricus

D
Mango

Solution

Neottia is a genus of orchids. It is a saprophytic angiosperm.
Question 8
4 / -1

Conifers differ from grasses in the

A
Absence of pollen tubes

B
Formation of endosperm before fertilization

C
Production of seeds from ovules

D
Lack of xylem tracheids

Solution

Conifers are Gymnosperms. They are cone-bearing seed plants with vascular tissue. They differ from grasses in the formation of endosperm before fertilization.

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Biology Test 26

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Biology Test 26

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SHARING IS CARING

Question 1

Cattle

Buffalo

Sheep

Annual food crops

Solution

Question 2

– 196oC

–200oC

–27oC

None of these

Solution

Question 3

Fertile

Sterile

Fertile after age

Sterile after some age

Solution

Question 4

National Dairy Institute, Karnal (Haryana)

Indian Veterinary Research Institute, Izatnagar (U.P)

Punjab Agricultural University, Ludhiana (Punjab)

Allahabad Agricultural Institute, Allahabad (U.P)

Solution

Question 5

Psilotum

Rhynia

Lycopodium

Selaginella

Solution

Question 6

Spirogyra

Mucor

Selaginella

Pinus

Solution

Question 7

Cuscuta

Neottia

Agaricus

Mango

Solution

Question 8

Absence of pollen tubes

Formation of endosperm before fertilization

Production of seeds from ovules

Lack of xylem tracheids

Solution

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– 196^oC

–200^oC

–27^oC