A pressure created by active secretion of salts and other solutes from other cells into xylem sap is called_____.

1. 1. Osmotic pressure.
   2. Transpiration pull
   3. Root pressure
   4. All of these

Which of the following viruses has caused thousands of deaths globally as an ’emergent’ virus?

1. 1. SARS-CoV-2
   2. OC43
   3. HKUt
   4. MERS

Nephrostome in earthworm opens in_____.

1. 1. Internal Body cavity
   2. In gut
   3. In Bladder
   4. External space

Prechordates is another name used for_____.

1. 1. Vertebrates
   2. Echinoderms
   3. Chordates
   4. Hemichordates

Autophagosomes are_____.

1. 1. Those lysosomes which eat old and worn out cellular organelles
   2. Those lysosomes which eat parts of their own cells to generate energy
   3. Lysosomes which help in extracellular digestion
   4. Both a and b

_____ is a scientific word for human beings?

1. 1. Omnivore
   2. Animals
   3. Consumer
   4. Homo sepions

The food conducting tissue of a plant is _____.

1. 1. Parenchyma
   2. Phloem
   3. Collenchyma
   4. Xylem

A giant chromosome with a number of chromonemeta is _____.

1. 1. Hetero chromosome
   2. Supernumerary chromosome
   3. Polytene chromosome
   4. Lampbrush chromosome

How many spiracles are present in cockroach_____.

1. 1. 20
   2. 25
   3. 30
   4. 35

In all arthropods, the body is covered with a chitinous cuticle which is secreted by the_____.

1. 1. Epidermis
   2. Mesophyll
   3. Chitin
   4. Endodermis