1. Which organelle in the cell, other than nucleus, contains DNA? [CSE (Pre) 2002]

2. Other than resistance to pests, what are the prospects for which genetically engineered plants have been created? [CSE (Pre) 2012. 1. To enable them to withstand drought. 2. To increase the nutritive value of the produce. 3. To enable them to grow and do photosynthesis in space ships and space stations. 4. To increase their shelf life. Select the correct answer using the codes given below

3. Viruses are transmitted from one organism to another by biological vectors only. Select the correct answer using the codes given below

4. In the context of genetic disorders, consider the following [CSE (Pre) 2009] A woman suffers from colour blindness while her husband does not suffer from it. They have a son and a daughter. In this context, which one of the following statements is most probably correct?

5. Consider the following statements with reference to human body. [CSE (Pre) 2006. 1. The common bile duct releases its contents into stomach. 2. The pancreatic duct releases its contents into duodenum. Which of the statement(s) given above is/ are correct?

6. Which one of the following groups of animals belongs to the category of endangered species? [CSE (Pre) 2012]

7. Widespread resistance of malarial parasite to drugs like chloroquine has prompted attempts to develop a malarial vaccine to combat malaria. Why is it difficult to develop an effective malaria vaccine? [CSE (Pre) 2010]

8. Assertion (A) In human beings, the female play a major role in determining the sex of the offspring. Reason (R) Women have two 'X' chromosomes. [CSE (Pre) 2002] Codes

9. King Cobra is the only snake that makes its own nest. Why does it make its nest? [CSE (Pre) 2010]

10. Consider the following animals [CSE (Pre) 2013. 1. Sea co. 2. Sea hors. 3. Sea lion Which of the above is/are mammal / mammals?

11. Ticks and mites are actually [CSE (Pre) 2002]

12. Consider the following statements [CSE (Pre) 2010. 1. Every individual in the population is equally susceptible host for Swine Flu. 2. Antibiotics have no role in the primary treatment of swine flu. 3. To prevent the future spread of swine flu in the epidemic area, the swine (pigs) must all be culled. Which of the statements given above is /are correct?

13. Assertion (A) In human body, liver has an important role in fat digestion. Reason (R) Liver produces two important fat digesting enzymes. [CSE (Pre) 2008] Codes

14. Which one of the following is monogamous? [CSE (Pre) 2002]

15. Among the following, which one lays eggs and does not produce young ones directly? [CSE (Pre) 2008]

16. Which of the following pairs is/are correctly matched? [CSE (Pre) 2014] Vitamin Deficienc. 1. Vitamin-C : Scurv. 2. Vitamin-D : Ricket. 3. Vitamin-E : Nightblindness Codes

17. With reference to the latest developments in stem cell research, consider the following statements. [CSE (Pre) 2002. 1. The only source of human stem cells are the embryos at blastocyst stage. 2. The stem cells can be derived without causing destruction to blastocysts. 3. The stem cells can regenerate themselves in vitro virtually forever. 4. Indian research centres also created a few cell lines, which can be developed into many types. Which of these statements are correct?

18. In human body, which one of the following hormones regulates blood calcium and phosphate? [CSE (Pre) 2007]

19. In the eye donation, which part of the eye is transplanted from the donor? [CSE (Pre) 2002]

20. 'Metastasis' is the process by which [CSE (Pre) 2002]

21. How do most insects respire? [CSE (Pre) 2007]

22. Phytotron is a facility to [CSE (Pre) 2002]

23. Consider the following statements [CSE (Pre) 2004. 1. Toothless mammals such as pangolins are not found in India. 2. Gibbon is the only ape found in India. Which of the statements given above is/are correct?

24. Assertion (A) 'DNA Finger printing' has become a powerful tool to establish paternity and identity of criminals in rape and assault cases. Reason (R) Trace evidences such as hairs, saliva and dried semen are adequate for DNA analysis. [CSE (Pre) 2002] Codes

25. Which one of the following is an insectivorous plant? [CSE (Pre) 2008]