_____function as multisensory hydraulic valve.

1. 1. Guard cells
   2. Lenticels
   3. Hydathods
   4. None of these

An activated enzyme consisting of polypeptide chain and a cofactor is called_____.

1. 1. Holoenzyme
   2. Activated enzyme
   3. Both a and b
   4. Apoenzyme

Which is a genetically modified crop?

1. 1. Bt-cotton
   2. Bt-brinjal
   3. Golden rice
   4. All

The skeleton of the sponges is in the form of variously shaped needle like structures called_____.

1. 1. Spicules
   2. Stripules
   3. Brails
   4. Spines

A gene is said to be dominant, if _____.

1. 1. It is never expressed in any condition
   2. It is expressed only in heterozygous
   3. It is expressed both in heterozygous and heterozygous condition
   4. It expresses its effect only in heterozygous state

Nutrition in fungi is_____.

1. 1. Photosynthetic
   2. Absorptive heterotrophs
   3. Chemosynthetic
   4. Completely parasitic

Out of total organisms on earth,_____ are vascular plants.

1. 1. 0.531
   2. 0.176
   3. 0.199
   4. 0.094

Which statement correctly describes the transcription of DNA?

1. 1. It produces another DNA molecule
   2. It is a semi conservation process
   3. It occurs at surface of ribosomes
   4. It produces mRNA

Which of the following cell organelles is absent in animal cells and present in a plant cell?

1. 1. Cell wall
   2. Cytoplasm
   3. Vacuoles
   4. Mitochondria

Out of 92 naturally occurring chemical elements how many are considered as bio-elements?

1. 1. 14
   2. 15
   3. 16
   4. 18