Options:
- A. 1.5 billion
- B. 2.5 billion
- C. 3.5 billion
- D. 4.5 billion
View Answer
A. 1.5 billion
Biology
Amoeba belongs to which kingdom______________?
Options:
- A. Prokaryotae
- B. Plantae
- C. Monera
- D. Protista
View Answer
D. Protista
Attachment of the bacteriophage with the receptor site on the bacterial cell wall involves_______________?
Options:
- A. Strong covalent bond between virion and the receptor site.
- B. Week chemical unior between them
- C. Both A and B depending upon the phage
- D. None of these
View Answer
B. Week chemical unior between them
In the lytic cycle of bacteriophage the host DNA is__________?
Options:
- A. Replicated
- B. Turn off by the protein coat.
- C. Digested into its nucleotides
- D. Turned on by the removal of the protein coat
View Answer
C. Digested into its nucleotides
One of the commonest cause of food poisoning are the toxins produced by__________?
Options:
- A. Azobacter
- B. Nitrosomonas
- C. Campylobacter
- D. Nitrobacter
View Answer
C. Campylobacter
In planaria, numerous small branches which end blindly are called as__________?
Options:
- A. Digestive tract
- B. Intestinal caeca
- C. Hepatic caeca
- D. Both B & C
View Answer
B. Intestinal caeca
Foliose lichen are_____________?
Options:
- A. Stem like
- B. Branching
- C. Leaf like
- D. Crust like
View Answer
C. Leaf like
Type of lichen which tightly attaches to rocks is_____________?
Options:
- A. Parmelia
- B. Fruticose
- C. Foliose
- D. Crustose
View Answer
D. Crustose
Lime stone deposits are formed from__________?
Options:
- A. Zooflagellates
- B. Foraminferans
- C. Aetinopods
- D. Apicomplexans
View Answer
B. Foraminferans
Which of the following statement is incorrect about algae______________?
Options:
- A. Their zygote unlike plants is protected by parental tissue
- B. Their classification is based on pigment composition
- C. Most of them have different morphological forms in-different stages of their life cycle
- D. Almost all of them are aquatic
View Answer
A. Their zygote unlike plants is protected by parental tissue