What is the most important reason for the immense success of arthropods?
1. Chitinous exoskeleton
2. Uricotelic nature
3. Compound eye
4. Multipurpose appendages
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhat is not true for a generalized mollusc?
1. Body segmented into head, visceral mass and foot.
2. A rasping tongue like organ – radula present.
3. Mantle cavity with gills
4. Excretory structures – nephridia
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHow many of the characters given below are true for echinoderms?
I. An endoskeleton of calcareous ossicles
II. The adult echinoderms are radially symmetrical but larvae are bilaterally symmetrical.
III. They are triploblastic and coelomate animals.
IV. Digestive system is complete.
V. Water vascular system
VI. Sexual reproduction, internal fertilization, and direct development.
1. 3
2. 4
3. 5
4. 6
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is not seen in hemichordates?
1. A tripartite body organization
2. Stomochord
3. Rudimentary notochord
4. Proboscis gland
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider the following features:
I. Ampulla of Lorenzini
II. Operculum or gill cover
III. Ureotelism
IV. Viviparity
V. Swim bladder
VI. Lateral line system
The features that can be attributed to cartilaginous fishes are:
1. I, III and IV only
2. II, V and VI only
3. I, II, III and IV
4. All
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyKey features that appeared for the first time in amphibians do not include:
1. Legs
2. Nutritional deficiencies
3. Lungs
4. Pulmonary veins
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider the following characters:
I. Wish bone furculum
II. Pneumatic bones
III. Feathers
IV. Endothermy
V. Left aortic arch
VI. Four chambered heart
Which of these are unique to birds?
1. I, II and III only
2. I, II, III and IV only
3. I, II, III, IV and V only
4. All
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify the incorrectly matched pair:
1. |
Ornithorhynchus: |
Oviparous mammal |
2. |
Macropus: |
Marsupial mammal |
3. |
Balaenoptera: |
Largest land mammal |
4. |
Pteropus: |
Flying mammal |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I Feature |
Column II Phylum |
(a) Lateral line system (b) Water vascular system (c) Radula (d) Comb plates (e) Parapodia |
(i) Ctenophora (ii) Mollusca (iii) Echinodermata (iv) Osteichthyes (v) Annelida |
Codes
(a) (b) (c) (d) (e)
1. (i) (ii) (iii) (iv) (v)
2. (iv) (iii) (ii) (i) (v)
3. (v) (iii) (i) (iv) (ii)
4. (iii) (ii) (i) (v) (iv)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyReptiles were very successful on land while amphibians were not. What evolutionary development was primarily responsible for the success of reptiles on land?
1. Scales over skin
2. Thoracic breathing
3. Amniotic egg
4. Strong Jaws
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology