Each of the following characteristics represent a Kingdom proposed by Whittaker. Arrange the following in increasing order of complexity of body organization.
A. Multicellular heterotrophs with cell wall made of chitin. 
B. Heterotrophs with tissue/organ/organ system level of body organization. 
C. Prokaryotes with cell wall made of polysaccharides and amino acids. 
D. Eukaryotic autotrophs with tissue/organ level of body organization. 
E. Eukaryotes with cellular body organization. 
Choose the correct answer from the options given below : 
1. A, C, E, D, B 2. C, E, A, B, D
3. A, C, E, B, D 4. C, E, A, D, B
Subtopic:  Different Classification Systems |
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Which of the following organisms cannot fix nitrogen?
A. Azotobacter  B. Oscillatoria
C. Anabaena D. Volvox
E. Nostoc
Choose the correct answer from the options given below:
1. B only 2. E only
3. A only 4. D only
Subtopic:  Kingdom Monera: Blue Green Algae |
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In bryophytes, the gemmae help in which one of the following?
1. Nutrient absorption 2. Gaseous exchange
3. Sexual reproduction 4. Asexual reproduction
Subtopic:  Bryophytes |
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The correct sequence of events in the life cycle of bryophytes is 
A. Fusion of antherozoid with egg. 
B. Attachment of gametophyte to substratum. 
C. Reduction division to produce haploid spores. 
D. Formation of sporophyte.
E. Release of antherozoids into water. 
Choose the correct answer from the options given below:
1. B, E, A, D, C 2. D, E, A, B, C
3. D, E, A, C, B 4. B, E, A, C, D
Subtopic:  Bryophytes |
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Given below are the stages in the life cycle of pteridophytes. Arrange the following stages in the correct sequence.
A. Prothallus stage
B. Meiosis in spore mother cells
C. Fertilisation
D. Formation of archegonia and antheridia in gametophyte.
E. Transfer of antherozoids to the archegonia in presence of water.
Choose the correct answer from the options given below.
1. D, E, C, A and B 2. E, D, C, B and A
3. B, A, D, E and C 4. B, A, E, C and D
Subtopic:  Pteridophytes |
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Match List-I with List-II 
List-I List-II
A. Pteridophyte  I. Salvia
B.  Bryophyte  II.  Ginkgo
C.  Angiosperm  III. Polystrichum
D. Gymnosperm IV. Salvinia
Choose the option with all correct matches.
1. A-III, B-IV, C-I, D-II 2. A-IV, B-III, C-II, D-I
3. A-III, B-IV, C-II, D-I 4. A-IV, B-III, C-I, D-II
Subtopic:  Miscellaneous |
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Which one of the following is the characteristic feature of gymnosperms?
1. Seeds are absent.
2. Gymnosperms have flowers for reproduction.
3. Seeds are enclosed in fruits.
4. Seeds are naked.
Subtopic:  Gymnosperms |
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While trying to find out the characteristic of a newly found animal, a researcher did the histology of adult animal and observed a cavity with presence of mesodermal tissue towards the body wall but no mesodermal tissue was observed towards the alimentary canal. What could be the possible coelome of that animal?
1. Schizocoelomate 2. Spongocoelomate
3. Acoelomate 4. Pseudocoelomate
Subtopic:  Basis of Classification |
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Role of the water vascular system in Echinoderms is:
A. Respiration and locomotion
B. Excretion and locomotion
C. Capture and transport of food
D. Digestion and respiration
E. Digestion and excretion
Choose the correct answer from the options given below:
1. B and C only
2. B, D and E only
3. A and B only
4. A and C only
Subtopic:  Phylum Echinodermata |
Level 3: 35%-60%
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): All vertebrates are chordates but all chordates are not vertebrate.
Reason (R): The members of subphylum vertebrata possess notochord during the embryonic period, the notochord is replaced by a cartilaginous or bony vertebral column in adults.
In the light of the above statements, choose the correct answer from the options given below :
1. (A) is True but (R) is False.
2. (A) is False but (R) is True.
3. Both (A) and (R) are True and (R) is the correct explanation of (A).
4. Both (A) and (R) are True but (R) is not the correct explanation of (A)
Subtopic:  Phylum Chordata |
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