Biology - Questions and Answers, General Study (GK)

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1141.

The climatic changes, soil erosion and decreased rainfall is due to

(a)Deforestation

(b)Eco system changes

(c)Green house effect

(d)Global warming

Comment

Answer is: A

1142.

AGMARK is

(a)Co operative society

(b)A quality assurance for agricultural products

(c)Farmers co-operative

(d)Regulated market

Comment

Answer is: B

1143.

Refrigeration is a process which

(a)Kills bacteria

(b)Plasmolyses the bacteria

(c)Inactivates the bacteria

(d)Slows down the bacterial growth

Comment

Answer is: D

1144.

The blue green algae are

(a)Photoheterotrophs

(b)Photoautotrophs

(c)Chemoheterotrophs

(d)Chemoautotrophs

Comment

Answer is: B

1145.

Which of the following acts as a coenzyme ?

(a)Zn⁺⁺

(b)Lvsine

(c)Lipase

(d)Pyridoxin

Comment

Answer is: A

1146.

Smallest measuring unit in cytology is

(a)Micron

(b)Angstrom

(c)Rem

(d)MM

Comment

Answer is: B

1147.

It is believed that live evolved in its early stage under oxygen free condition. Which of the following organisms might have been able to survive in that environment ?

(a)Obligate anaerobic bacteria

(b)Lichens

(c)Thermophilic algae

(d)Obligate halophytes

Comment

Answer is: A

1148.

Sexual reproduction is absent in which group of fungi mentioned below ?

(a)Deuteromycetes

(b)Basidiomycetes

(c)Ascomycetes

(d)Phycomycetes

Comment

Answer is: A

1149.

The most common method of vegetative reproduction in usnea is

(a)Fragmentation

(b)Homogania

(c)Soredia

(d)Gemmae

Comment

Answer is: C

1150.

Which of the fungi mentioned below is employed as a genetic tool ?

(a)Penicillium

(b)Aspergillus

(c)Gibberella

(d)Neurospora

Comment

Answer is: D

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Biology - Questions and AnswersPage 115

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