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
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' S + S' - G
Lyase
Transferase
Hydrolase
Dehydrogenase
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
D.
A - 2; B - 1; C - 4; D - 3
Column I | Column II |
A. Goblet cells | 2. Mucous |
B. Lysozyme | 1. Antibacterial agent |
C. Saliva | 4. Sublingual gland |
D. Oxyntic cells | 3. HCl |