Archea

Q.

Which of the following have cells that are properly arranged into tissues and organs?

1. Fungi

2. Monera

3. Eumetazoa

4. Parazoa

Q.

How do diatoms die?

Q. Thermococcus and Halobacterium

1. have membrane bound cell organelles
2. cannot live in extreme environmental conditions
3. have 80S ribosomes
4. lack peptidoglycan in their cell wall

Q. Incipient nucleus occurs in

1. Phaeophyceae
2. Myxophyceae
3. Chlorophyceae
4. Rhodophyceae

Q. Define Archaebacteria​. They belong to which kingdom?
[2 Marks]

Q. Anticoagulant substance in endospore of bacteria is found in

1. Exosporium and spore coat
2. Spore coat and cortex
3. Cortex and core wall
4. Cortex and cytoplasm

Q.

Question 16
Organisms without a nucleus and cell organelles belong to

(i) Fungi
(ii) Protista
(iii) Cyano bacteria
(iv) Archae bacteria

(a) (i) and (ii)
(b) (iii) and (iv)
(c) (i) and (iv)
(d) (ii) and (iii)

Q.

Question 32
Well defined nucleus is absent in

(a) blue green algae
(b) diatoms
(c) algae
(d) yeast