Proteins comprise of _____ of the total dry weight of a cell?

1. 1. 0.5
   2. 0.6
   3. 0.7
   4. 0.8

Keratin is a type of Protein Found in _____.

1. 1. Skin Fiber
   2. Nails
   3. Muscle Cells
   4. Blood Cells

During digesting the phagocytosed food particles vesicles formed from fusion of phagocytic vacuole with the enzymes secreted by Golgi apparantus are called_____.

1. 1. Primary lysosomes
   2. Lysosomes
   3. Food vacuole
   4. Secondary lysosomes

Amoeba moves in water with the help of locomotory organs called_____.

1. 1. flagella
   2. tube feet
   3. pseudopodia
   4. cilia

Microfossile often present in petroleum producing formationsare those of_____.

1. 1. Foraminiferans
   2. Heliozoans
   3. Diatioms
   4. Radiolarians

_____ is about 2.4 meter in length and comprising about two fifth of the small intestine?

1. 1. Ileum
   2. Jejunum
   3. Caecum
   4. Duodenum

An unbroken series of species arranged in ancestors to descendent sequence with each later species having evolved from one that immediately preceded it is called?

1. 1. Community
   2. Phyletic lineage
   3. Biome
   4. Population

Which of the following plant group first formed true leaves?

1. 1. Pteropsida
   2. Psilopsida
   3. Lycopsida
   4. Sphenopsida

Which of the following is true about hearts of earthworm?

1. 1. They pump blood from ventral to dorsal vessel
   2. There are 5-7 pairs of heart
   3. They are present between 1-7th segments
   4. They are present lateral to the esophagus

_____ is the potential source of chemical energy for cellular activities?

1. 1. C-N bond
   2. P-O-C bond
   3. C-H bond
   4. C-O bond