NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc.: Zoology MCQs (Practice_Test 45 of 112)
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- Consider the following processes
- Generation of cytotoxic T-cells
- Stimulation of interferon release
- Formation of bursin
- Release of opsin
- Which of the above are the functions in mammalian tissues performed by interleukin (T-cell growth factor) which is secreted by certain activated Tlymphocytes?
- 1 and 2 only
- 1 and 3 only
- 2 and 3 only
- 3 and 4 only
- Which one of the following is a Tyrosine derivative?
- Insulin
- Growth hormone
- Oxytocin
- Thyroxine
- With reference to sucrose, consider the following statements:
- Sucrose is a non-reducing sugar.
- The linkage in it is an a2-β1 glycosidic bond.
- It is a disaccharide having a-glucose and β-fructose.
- Which of the statements given above is⟋are correct?
- 1 only
- 2 and 3 only
- 1 and 3 only
- 1,2 and 3
- Which one of the following groups of mammals is an example of artiodactyla?
- Horse, Ass, Zebra
- Tapir, Hippopotamus, Rhinoceros
- Pig, Rabbit, Zebra
- Camel, Sheep, Hippopotamus
- Consider the following statements:
- Asterias is exclusively marine and carnivorous.
- In Asterias, papulae act as olfactory organs.
- In Asterias, the endosketeton is mesodermal in origin.
- Which of the statements given above are correct?
- 1 and 2 only
- 2 and 3 only
- 1 and 3 only
- 1,2 and 3
- In Aplysia sp.in addition to a pair of tentacles adjacent to mouth, a second pair of tentacles located dorsally, are called
- Odontophores
- Rhinophores
- Cerata
- Lateral cilia
- In the arrangement of podomeres in the walking leg of Palaeinon, the correct sequence from basis to dactylus is
- Merus-Ischium-Carpus-Propodus
- Ischium-Merus-Carpus-Propodus
- Propodus-Ischium-Merus-Carpus
- Carpus-Merus-Propodus-Ischlum
- Which of the following is the unicellular dinoflagellates that have symbiotically with certain corals?
- Zooxanthella
- Zoomastigophora
- Plasmodiophora
- Vampyreila
- With reference to Sponges which one of the following statements is correct?
- Sponges are triploblastic animals
- Well marked bilateral symmetry is exhibited by all sponges
- True body cavity or coelom is represented by paragastric cavity in sponges
- Sponges are mostly marine and a few freshwater sponges are also known
- Match List-I (Animal) with List-II (Larva⟋Larval Stage) and select the correct answer using the code given below the
Table Supporting: NET, IAS, State-SET (KSET, WBSET, MPSET, Etc.) , GATE, CUET, Olympiads Etc. : Zoology MCQs (Practice_Test 45 of 112) List-I List-II - Aurelia
- Fasciola
- Leucosolenia
- Taenia
- Onchosphere
- Parenchymula
- Planula
- Cercana
- A
- B
- C
- D
- 1
- 2
- 4
- 3
- 1
- 4
- 2
- 3
- 3
- 2
- 4
- 1
- 3
- 4
- 2
- 1
- Consider the following statements: The need to create a branch ‘Parazoa’ under Metazoa arose because
- of the recognition of the fact that sponges are unique in possessing choanocytes
- sponges are at the cellular grade of construction and Metazoans are at the tissue and organ grade of construction.
- Which of the statements given above is⟋are correct?
- 1 only
- 2 only
- Both 1 and 2
- Neither 1 nor 2
- What is Lorica in Protozoa?
- Modified cell membrane with several small folds
- A loose-fitting shell-like covering which encloses the cells
- Inner vacuolar region involved in storage.
- Criss-crossing of microfllaments in the protoplasm of the cells
- Match List-I (Featues) with List-II (Examples) 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 45 of 112) List-I List-II - Blastopore becomes mouth
- Blastopore becomes anus
- Single osculum and numerous ostia
- Mollusca
- Sponges
- Protochordata
- A
- B
- C
- 2
- 3
- 1
- 3
- 1
- 2
- 1
- 2
- 3
- 1
- 3
- 2
- Consider the following statements with reference to lactose (lac) operon in E. Coli:
- Lac enzymes are encoded in a single polycistronic mRNA molecule (lac mRNA) .
- Cyclic AMP induces the initiation of transcription of lac mRNA.
- Which of the statements given above is⟋are correct?
- 1 only
- 2 only
- Both 1 and 2
- Neither 1 nor 2
- Which one of the following is correct?
- DNA fingerprinting and DNA footprinting are one and the same
- DNA fingerprinting is used to identify DNA from living organisms whereas DNA footprinting is used to identify DNA from fossils
- DNA fingerprinting and DNA footprinting both are used for individual identification
- DNA fingerprinting is used for individual identification whereas DNA footprinting is used for protein binding regions in DNA