- Match the following and select the correct option.
Column I Column II
A. Red rot of sugarcane (i) Alternaria
B. Soft rot of apple (ii) Ustilago
C. Early blight of potato (iii) Rhizopus
D. Loose smut of wheat (iv) Colletotrichum
(a) A-(i), B-(iii), C-(ii), D-(iv)
(b) A-(ii), B-(i), C-(iii), D-(iv)
(c) A-(iv), B-(i), C-(ii), D-(iii)
(d) A-(iv), B-(iii), C-(i), D-(ii)
- Select the incorrect statement regarding mycoplasma.
(a) Mycoplasmas are the simplest and smallest free living
prokaryotes.
(b) It possesses 70S ribosomes and naked DNA.
(c) Absence of cell wall makes the organism pleomorphic.
(d) None of these.
- The name ‘Drosophila of plant kingdom’ is given to
(a) Aspergillus (b) Claviceps
(c) Neurospora (d) Trichoderma.
- Consider the following figures and identify the correct
option regarding A and B.
A B
(a) A is an animal virus with ssRNA and B is a plant virus
with dsRNA.
(b) A is a bacteriophage containing dsDNA and B is a plant
virus having dsRNA.
(c) A is plant virus with dsDNA and B is a bacteriophage
with dsDNA.
(d) A is a plant virus with ssRNA and B is an animal virus
with ssRNA.
- Which of the following is not a useful feature of
herbarium?
(a) It provides information about the ecology of different
places.
(b) It provides living plant material for systemic work.
(c) It helps in identifying the morphological differences
among species.
(d) It provides information about flowering season of
various plants.
- Sexual reproduction in deuteromycetes
(a) occurs through planogametic copulation
(b) occurs through gametangia copulation
(c) occurs through spermatogamy and somatogamy
(d) is absent.
- Identify the organism from the given characteristics.
(i) They are the smallest self replicating particles
discovered by Diener.
(ii) They are known to cause diseases only in plants.
(iii) Initiation codon is absent for protein synthesis.
(a) Prions (b) Viroids
(c) Virus (d) Mycoplasmas
- Match column I with column II and select the correct option
given below.
Column I Column II
A. John Ray (i) Father of Botany
B. Aristotle (ii) Historia Generalis
Plantarum
C. Theophrastus (iii) New systematics
D. Julian Huxley (iv) Father of Zoology
(a) A-(ii), B-(iv), C-(i), D-(iii)
(b) A-(i), B-(iii), C-(ii), D-(iv)
(c) A-(ii), B-(i), C-(iv), D-(iii)
(d) A-(iii), B-(iv), C-(i), D-(ii)
- Which of the following statements is correct regarding cats
and leopards?
(a) Both belong to Genus Felis
(b) Both belong to Family Felidae
(c) Both have different genus and family
(d) Cats belong to Family Felidae and leopards belong to
Family Canidae
- Which of the following is not a method of reproduction in
lichens?
(a) Oidia
(b) Progressive death and decay
(c) Isidia
(d) Soredia
- Clostridium butylicum and Bacillus megatherium respectively
are used for preparing
(a) chloromycetin, bacitracin
(b) riboflavin, cobalamine
(c) terramycin, bacitracin
(d) cobalamine, ascorbic acid.
- Which of the following features is not correct for the
bacterial cell wall?
(a) It provides shape and structural support to the cells.
(b) It is 20-80 nm thick, smooth and single layered in
Gram negative bacteria.
(c) The cell wall contains teichoic acids that form receptor
sites and surface antigens in Gram positive bacteria.
(d) It protects the bacterial cell from bursting in hypotonic
solution.
