Q11
Membrane-bound organelles are absent in:
Correct Answer
Option B
Solution
(b) Streptococcus is a bacterium (prokaryote) which lacks membrane bound organelles.
Biological Classification
Q12
What is correct about viroids?
Correct Answer
Option A
Solution
(a) Viroids have free RNA without protein coat.
Q13
Escherichia coli is used extensively in biological research as it is
Correct Answer
Option A
Solution
(a) E. coli lives as a symbiont in human intestine.
Q14
Single-celled eukaryotes are included in:
Correct Answer
Option A
Solution
(a) Single celled eukaryotes are included in protista.
Q15
Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?
Correct Answer
Option B
Solution
(b) Mycoplasmas are smallest prokaryotes lacking cell wall. They are pathogenic to both plants and animals.
Q16
In the five-kingdom classification, Chlamydomonas and Chlorella have been included in
Correct Answer
Option B
Solution
(b) Chlamydomonas and Chlorella have been included in algae.
Q17
Archaebacteria differ from eubacteria in:
Correct Answer
Option A
Solution
(a) Archaebacteria differ from other bacteria in having a different cell wall structure lacking peptidoglycan.
Q18
Which fungi contains hallucinogens?
Correct Answer
Option B
Solution
(b) Amanita muscaria secretes hallucinogenic substances like psilocybin and psilocin.
Q19
Nitrogen fixer soil organisms belong to
Correct Answer
Option B
Solution
(b) Only some bacteria and blue green algae have the capacity to fix atmospheric nitrogen.
Q20
Absorptive heterotrophic nutrition is exhibited by
Correct Answer
Option B
Solution
(b) Fungi are saprophytes that secrete enzymes to external medium, perform digestion and absorb digested food.
Ready for a full NEET mock test?
Timed · full syllabus · instant results
Take a Mock Test →