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Biological Classification · Question 91

AIPMT 2005MatchingMedium📈 Topic in 38% papers+4−1
1

Match items in column I with those in column II. Select the correct answer from the following.

  1. (A) - (L); (B) - (J); (C) - (M); (D) - (N); (E) - (K)
  2. (A) - (K); (B) - (J); (C) - (L); (D) - (M); (E) - (N)
  3. (A) - (N); (B) - (L); (C) - (K); (D) - (N); (E) - (J)
  4. (A) - (J); (B) - (K); (C) - (N); (D) - (L); (E) - (K)

Answer

(1) (A) - (L); (B) - (J); (C) - (M); (D) - (N); (E) - (K)

Solution

(A) Peritrichous flagellation — flagella all over the cell surface, as in Escherichia coli ⇒ (L).

(B) Living fossil — Ginkgo (maidenhair tree), the only surviving member of its group ⇒ (J).

(C) Rhizophore — a leafless, root-bearing branch of Selaginella ⇒ (M).

(D) Smallest flowering plant — Wolffia ⇒ (N).

(E) Largest perennial alga — the giant kelp Macrocystis (brown alga) ⇒ (K).

∴ (A) - (L); (B) - (J); (C) - (M); (D) - (N); (E) - (K)

Answer: (1)

AIPMT 2005

Keep practising — Biological Classification

2

Which of the following unicellular organisms has a macronucleus for trophic function and one or more micronuclei for reproduction?

  1. Euglena
  2. Amoeba
  3. Paramecium
  4. Trypanosoma
AIPMT 2005
3

Which of the following statements is not true for retroviruses?

  1. DNA is not present at any stage in the life cycle of retroviruses.
  2. Retroviruses carry gene for RNA-dependent DNA polymerase.
  3. The genetic material in mature retroviruses is RNA.
  4. Retroviruses are causative agents for certain kinds of cancer in man.
AIPMT 2004
4

Viruses that infect bacteria multiply and cause their lysis, are called

  1. lysozymes
  2. lipolytic
  3. lytic
  4. lysogenic
AIPMT 2004
5

Lichens are well known combination of an alga and a fungus where fungus has

  1. a saprophytic relationship with the alga
  2. an epiphytic relationship with the alga
  3. a parasitic relationship with alga
  4. a symbiotic relationship with alga
AIPMT 2004
6

When a fresh-water protozoan possessing a contractile vacuole, is placed in a glass containing marine water, the vacuole will

  1. increase in number
  2. disappear
  3. increase in size
  4. decrease in size
AIPMT 2004
7

Which one of the following statements about viruses is correct?

  1. Viruses possess their own metabolic system.
  2. All viruses contain both RNA and DNA.
  3. Viruses are obligate parasites.
  4. Nucleic acid of viruses is known as capsid.
AIPMT 2003
8

Tobacco mosaic virus is a tubular filament of size

  1. 300 10 nm
  2. 300 5 nm
  3. 300 20 nm
  4. 700 30 nm
AIPMT 2003
9

Viruses are no more "alive" than isolated chromosomes because

  1. they require both RNA and DNA
  2. they both need food molecules
  3. they both require oxygen for respiration
  4. both require the environment of a cell to replicate.
AIPMT 2003
10

In which kingdom would you classify the archaea and nitrogen-fixing organisms, if the five-kingdom system of classification is used?

  1. Plantae
  2. Fungi
  3. Protista
  4. Monera
AIPMT 2003
11

The chief advantage of encystment of an Amoeba is

  1. the ability to survive during adverse physical conditions
  2. the ability to live for some time without ingesting food
  3. protection from parasites and predators
  4. the chance to get rid of accumulated waste products.
AIPMT 2003

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