Read the following statements regarding archaebacteria.

I. Their cell wall lacks peptidoglycan.

II. They contain membrane bound organelles.

III. These have distinct ribosomal RNA sequence.

IV. Lipid in cell membrane of archaebacteria have different structure than those in all other organisms.

Choose the incorrecct option.

(1) I and II

(2) Only II

(3) Only IV

(4) III and IV

Subtopic:  Kingdom Monera: Bacterial Classification |
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A bacterium divides every 35 minutes. If a culture containing 105 cells/mL is grown for 175 minutes, what will be the cell concentration/mL after 175 minutes?

(1) 5 × 105 cells

(2) 35 × 105 cells

(3) 32 × 105 cells

(4) 4.175 × 105 cells

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Dikaryotisation (n + n) in Agaricus is brought about by

(1) clamp connections

(2) somatogamay between two hyphae of different strains

(3) Both (1) and (2) are correct

(4) basidiospores

Subtopic:  Kingdom Fungi: Basidomycetes |
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'Red tide' is caused by

(1) Gonyaulax

(2) Ceratium

(3) Triceratium

(4) All of these

Subtopic:  Kingdom protista: Dinoflagellates |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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NEET 2021 - Achiever Batch - Aryan Raj Singh

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Which one of the following shows heterothallism?

(1) Rhizopus

(2) Bacterium

(3) Cycas

(4) Ricinus

Subtopic:  Kingdom Fungi: Zygomycetes |
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Which of the following is a 'cyanophage'?

(1) S-13

(2) ϕ×174

(3) SV-40

(4) LPP-1

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The common characteristic showning by mushroom, smut and rust

(1) is characterised by presence of basidiocarps

(2) is characterised by presence of ascocarps

(3) all are pathogen

(4) all are saprophytic in nature

Subtopic:  Kingdom Fungi: Basidomycetes |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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NEET 2021 - Achiever Batch - Aryan Raj Singh

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Which one exhibits the character of a protozoan during one phase of its life cycle and character of fungi in another phase of its life cycle?

(1) Water moulds

(2) Psilophytes

(3) Slime moulds

(4) Diatoms

Subtopic:  Kingdom protista: Slime Moulds |
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Spirochaetes is/are

(1) a class of viruses

(2) myxobacteria

(3) spiral-shaped bacteria

(4) richittsias

Subtopic:  Kingdom Monera: Introduction |
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Which of the following organisms completely lack cell wall, they are the smallest living cells known and can survive without oxygen?

(1) Mycoplasma

(2) Euglenoids

(3) Slime moulds

(4) All of these

Subtopic:  Kingdom Monera: Actinomycetes & Mycoplasma |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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NEET 2021 - Achiever Batch - Aryan Raj Singh

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