Keep In Mind That Every Set Questions Are
Increasing Their Levels
This guide Include:
1. Top most MCQs
2. Assertion and Reasons
3. Statement Based Questions
4. Match The Following Type Question With Their Anwers
,First 25 Questions
Topic: Biological Classification
1. The five-kingdom classification was proposed by:
A. Linnaeus
B. Whittaker
C. Haeckel
D. Copeland
Answer: B
Explanation: R.H. Whittaker proposed the five-kingdom classification in
1969 based on cell structure, body organisation and mode of nutrition.
2. Members of Kingdom Monera are:
A. Multicellular eukaryotes
B. Unicellular prokaryotes
C. Multicellular prokaryotes
D. Acellular
Answer: B
Explanation: Monera includes unicellular prokaryotic organisms like
bacteria and cyanobacteria.
3. Cell wall of eubacteria is made of:
A. Cellulose
B. Chitin
, C. Peptidoglycan
D. Pectin
Answer: C
Explanation: Eubacterial cell wall contains peptidoglycan (murein).
4. Archaebacteria differ from eubacteria mainly in:
A. Presence of nucleus
B. Cell wall composition
C. Ribosome type
D. Absence of DNA
Answer: B
Explanation: Archaebacteria have different cell wall composition lacking
peptidoglycan.
5. Methanogens are commonly found in:
A. Marine water
B. Human intestine
C. Sewage treatment plants
D. Both B and C
Answer: D
Explanation: Methanogens live in anaerobic environments like gut of
ruminants and sewage.
6. Cyanobacteria are also called: