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21.

Afla toxins are produced by

  • bacteria

  • fungi

  • viruses

  • viruses

99 Views

22.

B-diversity is also known as

  • ecosystem diversity

  • between habitat diversity

  • within habitat diversity

  • within habitat diversity

149 Views

23.

Commercially important cotton fibers are

  • epidermal hairs of seeds

  • woody fibers of roots

  • phloem fibres of roots

  • phloem fibres of roots

226 Views

24.

A member of Liliaceae that shows reticulate venation is

  • Scilla

  • Smilax

  • Aloe

  • Aloe

134 Views

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25.

Euphenics is

  • manipulation of genes

  • improvement of race

  • study of conditions affecting organisms

  • study of conditions affecting organisms

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26.

Araneology is

  • rearing of bees

  • study of aphids

  • study of spiders

  • study of spiders

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27.

What does 'Corpus luteum' secrete?

  • Testosterone

  • Estrogen

  • Haemoglobin

  • Haemoglobin

107 Views

28.

The male sex hormone is

  • estrogen

  • testosterone

  • insulin

  • insulin

118 Views

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29.

Iodine test is used to detect

  • carbohydrate

  • protein

  • fat

  • fat

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30.

Absorption of water from cut ends of stems disproves the

  • Theory of capillarity

  • Cohesion tension theory

  • Root Pressure theory

  • Root Pressure theory

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