A function of lysosomes is

• replication

• hydrolysis

• respiration

• None of the above

Mitochondria and chloroplasts are similar because

• both have 80S ribosomes

• both have nuclei

• both have single membrane envelope

• both have DNA

The oldest fossil belongs to which of the following group of plants/ animals?

• Asteriodae

• Rhodophyceae

• Blue- green algae

• Phaeophyceae

Mehli's gland in tapeworm is associated with

• respiration

• reproduction

• excretion

• circulation

Which of the following animals has a tetramorphic colony?

• Velella

• Physalia

• Obelia

• Porpita

6.

Select the correct set of animals of Class- Mammalia.

• Lion, bat, whale, ostrich

• Whale, bat, kangaroo, hippopotamus

• Lion, hippopotamus, penguin, bat

• Hippopotamus, penguin, whale, kangaroo

Which of the following statements regarding universal rules of nomenclature is wrong?

• The first word denoting the genus starts with a capital letter

• The first word in a biological name represents the genus

• Biological names are generally in Greek and written in italics

• Both the words in a biological name, when hand-written, are separately underlined

Select the type of enzyme involved in the following reaction

S - G + S' $\to$S + S' - G

• Lyase

• Transferase

• Hydrolase

• Dehydrogenase

Ringer's solution contains

• Na⁺ + Cl^- ions

• Na⁺ + K⁺ ions

• Na⁺ + K⁺ + Cl^- ions

• K⁺ + Cl^- ions

Match the column I with column II and choose the correct option.

Column I	Column II
A. Goblet cells	1. Antibacterial agent
B. Lysozyme	2. Mucous
C. Saliva	3. HCl
D. Oxyntic cells	4. Sublingual gland

• A - 3; B - 1; C - 4; D - 2

• A - 2; B - 3; C - 1; D - 4

• A - 1; B - 3; C - 4; D - 2

• A - 2; B - 1; C - 4; D - 3