Practice/Question bank/NEET UG

NEET UG practice questions

Physics, Chemistry and Biology practice with answers and explanations. 1,164 questions in the bank.

1. 1In cockroaches, the respiratory system opens externally through:Biology· Biology Core Curriculum· Moderate
2. 2Which one of the following plant hormones is primarily responsible for promoting cell elongation in stems?Biology· Biology Core Curriculum· Moderate
3. 3In which of the following animal tissues would you expect to find intercalated discs?Biology· Biology Core Curriculum· Moderate
4. 4The Malpighian tubules in insects are chiefly involved in:Biology· Biology Core Curriculum· Moderate
5. 5Which plant tissue is responsible for the increase in the girth of stems and roots in dicot plants?Biology· Biology Core Curriculum· Moderate
6. 6In which phylum do animals first exhibit a true coelom lined by mesodermal tissue?Biology· Biology Core Curriculum· Moderate
7. 7In which plant tissue are casparian strips found, helping to regulate the movement of water and minerals?Biology· Biology Core Curriculum· Moderate
8. 8The process of ecdysis in arthropods is primarily controlled by which hormone?Biology· Biology Core Curriculum· Moderate
9. 9Which one of the following tissues in plants is primarily responsible for the transport of organic nutrients?Biology· Biology Core Curriculum· Moderate
10. 10Which structure is characteristic of a mammalian nephron but absent in invertebrate excretory systems?Biology· Biology Core Curriculum· Moderate
11. 11In which animal is the presence of a four-chambered heart an adaptation for complete separation of oxygenated and deoxygenated blood?Biology· Biology Core Curriculum· Moderate
12. 12Which of the following features is characteristic of dicot leaf anatomy but absent in monocot leaves?Biology· Biology Core Curriculum· Moderate
13. 13In which phase of the cell cycle does the replication of DNA take place in animal cells?Biology· Biology Core Curriculum· Moderate
14. 14Which of the following is a characteristic feature of dicotyledonous roots but NOT monocotyledonous roots?Biology· Biology Core Curriculum· Moderate
15. 15In the cockroach, the function of Malpighian tubules is primarily associated withBiology· Biology Core Curriculum· Moderate
16. 16Which of the following is the main function of the Casparian strip in plant roots?Biology· Biology Core Curriculum· Moderate
17. 17In cockroaches, the respiratory openings present on the body surface are calledBiology· Biology Core Curriculum· Moderate
18. 18In which type of placentation are the ovules borne on a central axis with no septa between them?Biology· Biology Core Curriculum· Moderate
19. 19Which of the following is the most abundant protein in the animal world?Biology· Biology Core Curriculum· Moderate
20. 20Which of the following is NOT a function of the stomata in plants?Biology· Biology Core Curriculum· Moderate
21. 21In cockroach, which segment bears the pair of anal cerci?Biology· Biology Core Curriculum· Moderate
22. 22In mammals, which organ is responsible for the production of urea?Biology· Biology Core Curriculum· Moderate
23. 23Which type of inflorescence is characterized by the youngest flower being at the base and older flowers towards the apex?Biology· Biology Core Curriculum· Moderate
24. 24Which of the following plants exhibits phyllotaxy in which leaves are arranged in pairs at each node, opposite to each other?Biology· Biology Core Curriculum· Moderate