The first cell of the sporophyte generation is _____.

1. 1. Gamete
   2. Oospore
   3. Spore mother cell
   4. None of these

In onion, the food is stored in _____.

1. 1. Root
   2. Bud
   3. Aerial stem
   4. Scale leaves

Open circulatory system contain _____.

1. 1. Haemoglobin
   2. Red Blood Cells
   3. White Blood Cells
   4. All of these

Most of the cellular secretions are _____ in nature.

1. 1. Proteins
   2. Glycolipids
   3. Nucleohistones
   4. Glycoproteins

Which of the following combination is an example of self replicating organelles?

1. 1. Mitochondria Chloroplast
   2. Mitochondria Nucleus
   3. Mitochondria Vacuole
   4. Mitochondria Ribosomes

The contraction of _____ muscle fibers is controlled by hormones.

1. 1. a smooth
   2. a skeletal
   3. a cardiac
   4. all of these

Which one of the following is not the characteristic of mitochondria?

1. 1. It contains F1 particles
   2. Number of mitochondria is constant
   3. It is a self replicating organelle
   4. It is involved in the synthesis of protein

Which of the following is present in all the living things?

1. 1. DNA or RNA
   2. Vacuole
   3. Cell nucleus
   4. Cell membrane

Ribosomal RNA (rRNA) constitutes _____ of the total cellular RNA.

1. 1. 10-20%
   2. 80%
   3. 3-4 %
   4. 90%

What is Chemically auxins?

1. 1. Indole propionic acid
   2. Indole acetaldehyde
   3. Indole carboxylic acid
   4. Indole acetic aci