Tag: biology

Questions Related to biology

The north-facing side of a hill in a mountainous region in the US tends to:

biology adaptation terrestrial adaptations in plants adaptation in terrestrial plants terrestrial adaptation desert ecosystem terrestrial adaptation in animals

  1. Receive less sunlight during a year than the south-facing side

  2. Grow a variety of trees that are typically observed at higher elevation

  3. Be a better location for a ski run than the south-facing side

  4. All of the above

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Correct Option: D

The Native Place of Redwood trees?

biology adaptation terrestrial adaptations in plants adaptation in terrestrial plants terrestrial adaptation desert ecosystem terrestrial adaptation in animals

  1. Australia

  2. Amazon

  3. California

  4. Thailand

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Correct Option: C

Which of the following fiber is used to make wireless receiver?

biology substances in daily use can all changes be reversed? substances and objects changes around us

  1. Cotton fiber

  2. Silk fiber

  3. Wool

  4. Nylon

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Correct Option: B
Explanation:
The silk fiber is used to make a wireless receiver. fiber optic receivers capture the light from a fiber optic cable, decode the binary data it is sending and then convert into an electrical signal.

Which of the following is characterized by the fine soft under hair?

biology substances in daily use can all changes be reversed? substances and objects changes around us

  1. Yak

  2. Goat

  3. Sheep

  4. All of the above

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Correct Option: C

Angora wool is obtained from____________.

biology substances in daily use can all changes be reversed? substances and objects changes around us

  1. Worm

  2. Yak

  3. Goat

  4. Sheep

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Correct Option: C
Explanation:
Angora wool is obtained from Goat. 
The fleece taken from an Angora Goat is called Mohair. A goat produces four to five kg of hair per year.

Which of the following fiber was first developed in the China?

biology substances in daily use can all changes be reversed? substances and objects changes around us

  1. Wool

  2. Silk

  3. Cotton

  4. None of the above

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Correct Option: B

The most fibre are chemically composed of non-starch polysaccharides.

biology substances in daily use can all changes be reversed? substances and objects changes around us

  1. True

  2. False

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Correct Option: A
Explanation:

The most fibre are chemically composed of non-starch polysaccharides like cellulose, inulin, lignin, chitins, pectins, oligosaccharides. They are either obtained from plants or animals. They are either soluble or insoluble. 

Which of the following is called as queen of fibers?

biology substances in daily use can all changes be reversed? substances and objects changes around us

  1. Angora wool

  2. Pashmina

  3. Silk

  4. Nylon

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Correct Option: C
Explanation:
Silk is called a queen of fibers. Because it is of good quality and it thus makes it expensive too.

Vascular bundles are absent in

biology biological diversity species, communities and ecosystems kingdom fungi monera, protista, fungi

  1. Gymnosperms

  2. Angiosperms

  3. Pteridophytes

  4. None of the above

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Correct Option: D

Scorpions are

biology biological diversity species, communities and ecosystems kingdom fungi monera, protista, fungi

  1. Sanguivorous

  2. Carnivorous

  3. Herbivorous

  4. Omnivorous

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Correct Option: B