Biology Today — May 2017

20. Select the mismatched pair.
    (a) Order - Primata
    (b) Genus - Mangifera
    (c) Class - Poales
    (d) Family - Canidae


21. Complete the following table by correctly identifying X, Y
    and Z in context to photosynthetic protists.

Group Reserve food Example

(i) Dinoflagellates X Noctiluca

(ii) Chrysophytes Leucosin and oils Y

(iii) Euglenoids Z Euglena

X Y Z

(a) Starch and oils Cymbella Glycogen

(b) Glycogen Phacus Woronin bodies

(c) Paramylum bodies Pleurosigma Starch and oils

(d) Starch and oils Amphipleura Paramylum bodies

22. Identify the incorrect pair.
    (a) Superfamily - Obligate category
    (b) Symbiotic protist - Trichonympha
    (c) Simpson - Systematics
    (d) Weed of laboratory - Aspergillus


23. Which of the following principles is not used as a criterion
    for delimiting a species of prokaryotes?
    (a) Morphological differences
    (b) Interbreeding
    (c) Chemotaxonomy
    (d) Cytotaxonomy


24. Select the option which depicts correct taxonomical
    hierarchy.
    (a) Species → Genus → Family → Class → Order
    (b) Species → Genus → Class → Order → Family
    (c) Genus → Family → Order → Class → Phylum
    (d) Genus → Family → Order → Phylum → Class


25. Which of the following characteristics can be considered as
    a defining property for a living organism?
    (i) Consciousness (ii) Organisation
    (iii) Growth (iv) Reproduction
    (v) Metabolism
    (a) (i), (ii), (iii) and (v) only
    (b) (i), (ii), (iv) and (v) only
    (c) (ii), (iii) and (iv) only
    (d) (i), (ii) and (v) only


26. Identify the correctly matched pair.
    (a) Symbiotic bacteria - Frankia
    (b) Parasitic bacteria - Pseudomonas
    (c) Saprotrophic bacteria - Xanthomonas citri
    (d) Chemoautotrophic bacteria - Chlorobium limicola
    27. Which of the following are characteristics of members of
    Kingdom Protista?
    (i) Nucleus is present and DNA is associated with histone
    proteins.
    (ii) All organisms are heterotrophic with absorptive type of
    nutrition.
    (iii) Sap vacuoles are absent.
    (iv) Cytoplasmic ribosomes are 80S while organelle
    ribosomes are 70S.
    (a) (ii) and (iv) only (b) (i), (iii) and (iv) only
    (c) (i) and (iv) only (d) (i), (ii) and (iii) only
    28. __ created a separate kingdom for organisms on the
    basis of presence and absence of true nucleus.
    (a) Linnaeus (b) Copeland
    (c) Haeckel (d) R.H. Whittaker
    29. Select the correct set of differences among the following
    types of taxonomy.
    Classical taxonomy Modern taxonomy
    (i) It deals with biological
    species.

It deals with morphology

of species.

(ii) It has a typological

concept.

It has a biosystematic

concept.

(iii) Species are considered

to be dynamic.

Species are considered

to be static.

(iv) It is not based

on evolution and

inter-relationships of

species.

It is based on primitive-

ness, advancement and

inter-relationships of

species.

1 2 4

19

27

29

3

14 15

16 17 18

20 21

22

23

24

25

28

30

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789
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Contributed by :Saurabh Kalra, Chandigarh
SOLUTIONSTO 201 CROSSWORDMARCH 7
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