NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc.: Zoology MCQs (Practice_Test 51 of 112)
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- Which, one of the following is a characteristic of adult ascidian?
- Elongated tail
- Large notochord
- Enlarged pharynx
- Well developed statocyst
- Match List I with List II and select the correct answer using the code given below the lists:
Table Supporting: NET, IAS, State-SET (KSET, WBSET, MPSET, Etc.) , GATE, CUET, Olympiads Etc. : Zoology MCQs (Practice_Test 51 of 112) List-I (Type of placenta) List-II (Mammalian examples) - Diffuse
- Cotyledonary
- Zonary
- Discoidal
- Cats
- bats
- Deer
- House
- A
- B
- C
- D
- 4
- 3
- 1
- 2
- 2
- 1
- 3
- 4
- 4
- 1
- 3
- 2
- 2
- 3
- 1
- 4
- Hensen՚s knof is present in which one of the following?
- Blastula of frog
- Gastrula of frog
- Blastula of chick
- Gastrula of chick
- Liver, pancreas, thymus and thyroid are formed from which one of the following?
- Ectoderm
- Mesoderm
- Endoderm
- Trophoblast
- Consider the following:
- Thyroid
- Calcium
- Iodine
- Which of the above are the most important factors playing pivotal role in progressive metamorphosis of anura?
- 1,2 and 3
- 1 and 2 only
- 2 and 3 only
- 1 and 3 only
- Which one of the following groups of animals have vitelline membrane?
- Amphibians
- Fishes
- Tunicates
- Mammals
- In which of the following groups of arthropoda, do the body divisions include cephalothorax and abdomen?
- Crustacea only
- Crustacea and Arachnida only
- Crustacea, Arachnida and Onychophora only
- Crustacea, Arachnida, Onychophora and Chilopoda
- Consider the following pairs: Insects: Type of mouth parts
- Match Item 1: Orthoptera
- Match Item 2: Sucking type
- Match Item 1: Coleoptera
- Match Item 2: Biting and chewing type
- Match Item 1: Lepidoptera
- Match Item 2: Siphoning type
- Match Item 1: Hemiptera
- Match Item 2: Piercing and sucking type
- Which of the above pairs are correctly matched?
- 1,2 and 3
- 1,3 and 4
- 1 and 4 only
- 2,3 and 4
- Which one of the following types of pseudopodia is found in Actinophrys?
- Lobopodium
- Filopodium
- Rhizopodium
- Axopodium
- During breeding season, an arm on the left side of male cuttlefish (Cephalopoda: Mollusca) undergoes modification that helps in copulation. This modification is termed as
- Tagmatization
- Hectocotylization
- Cephalisation
- Strobilatton
- Consider the following characteristics of an animal:
- Body covering consists of a thin, membranous and transparent cuticle.
- An extensive perivisceral coelom is absent.
- Digestive system includes a long alimentary canal and digestive glands.
- Parapodia and setae are absent.
- The above staged characteristics are true in case of which one of the following?
- Pheretima posthuma
- Hirudinaria granulosa
- Nereisdumerilii
- Lumbricus viridis
- With reference to Balanoglossus, consider the following statement:
- It belongs to Enteropneusta.
- It has sense organs on the proboscis.
- Its gonads develop from coelomic wall.
- Which of the statements given above is⟋are correct?
- 1 only
- 2 and 3 only
- 1 and 3 only
- 1,2 and 3
- The hydatid disease in humans is caused by which one of the following?
- Cystic stage of Taenia solium
- Cystic stage of Fasciola hepatica
- Cystic stage of Echinococcus granulosus
- Adult stage of Dipylidium caninum
- With reference to nucleic acid, consider the following statements:
- When ribose lacks one oxygen atom on the 3՚ carbon, it is called deoxyribose.
- The difference between thymine and uracil is that thymine has a methyl group CH3 instead of hydrogen, at 5 ′ C position.
- In cytosine, the amino group NH2 is present at the number 6 position and in adenine it is present at the number 4 position.
- Which of the statements given above is⟋are correct?
- 1,2 and 3
- 2 only
- 1 and 3 only
- 3 only
- The type of gene regulation governing the lactose operon of E. Coli that involves the lac I gene product is best described as:
- Positive, inducible
- Negative, repressive
- Feed-back inhibition
- Negative, inducible