Ribonucleo-protein particles are the name of_____.

1. 1. Eukaryotic ribosomes
   2. DNA
   3. Nucleus
   4. RNA

The cell wall of oomycetes is chiefly composed of_____.

1. 1. Chitin
   2. Lignin
   3. Proteins
   4. Cellulose

Voice box is another name used for_____.

1. 1. Buccal cavity
   2. Larynx
   3. Pharynx
   4. Chest Cavity

Leprosy bacillus was invented by :_____.

1. 1. Koch
   2. Harvey
   3. Fleming
   4. Hansen

Crop rotation helps in_____.

1. 1. Growth of pathogens
   2. Soil Infertility
   3. Eradication of disease
   4. Slowing of crops growth

Who is Called the Father of Demography?

1. 1. Ibn Khaldun
   2. ALAN Turing
   3. John Dalton
   4. Charles Babbage

Length of membranous urethra is about _____.

1. 1. 2 cm
   2. 1 cm
   3. 5 cm
   4. 9 cm

Which of the following step occurs immediately after binding of Ca2+ with troponin molecule during muscle contraction.

1. 1. Troponin uncovers the actin binding sites
   2. Binding sites of actin get attached to the myosin head.
   3. Ca2+ goes back inside sarcoplasmic reticulum
   4. Tropomyosin gets removed from the binding sites of actin filaments

Gametophyte of Psilopsida develops a symbiotic association with which of the following_____.

1. 1. Fungus
   2. Algae
   3. Bacteria
   4. Protozoa

Heart beats about _____times in one’s life.

1. 1. 3.7 Billion
   2. 4.2 Billion
   3. 2.8 Billion
   4. Infinite