1. Epiphytes are plants which depend on other plants for [CSE (Pre) 2002]

2. Which of the following statements is/are correct regarding vegetative propagation of plants? [CSE (Pre) 2014. 1. Vegetative propagation produces clonal population. 2. Vegetative propagation helps in eliminating the virus. 3. Vegetative propagation can be practiced most of the year. Select the correct answer using the codes given below

3. Regular intake of fresh fruits and vegetables is recommended in the diet since they are a good source of antioxidants. How do antioxidants help a person maintain health and promote longevity? [CSE (Pre) 2011]

4. 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?

5. Among the following, which one is not an ape? [CSE (Pre) 2008]

6. Which one of the following processes in the bodies of living organisms is a digestive process? [CSE (Pre) 2010]

7. Consider the following statements. [CSE (Pre) 2005. 1. Dengue is a protozoan disease transmitted by mosquitoes. 2. Retro-orbital pain is not a symptom of dengue. 3. Skin rash and bleeding from nose and gums are some of the symptoms of dengue. Which of the statements given above is /are correct?

8. 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

9. 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

10. Consider the following organisms [CSE (Pre) 2013. 1. Agaricu. 2. Nosto. 3. Spirogyra Which of the above is/ are used as biofertiliser/biofertilisers?

11. When the bark of a tree is removed in a circular fashion all around near its base, it gradually dries up and dies because [CSE (Pre) 2011]

12. 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

13. Which one of the following is not a good source of nutrition of calcium? [CSE (Pre) 2006]

14. Consider the following statements. [CSE (Pre) 2009. 1. Sweet orange plant is propagated by grafting technique. 2. Jasmine plant is propagated by layering technique. Which of the statement(s) given above is/are correct?

15. With reference to the human body, consider the following statements [CSE (Pre) 2002. 1. The production of somatotropin goes up when a person exercises. 2. Men's testes produce progesterone. 3. Adrenal glands secrete testosterone. 4. Stress causes the adrenals to release very less amount of cortisol than usual. Which of the these statements are correct?

16. In human beings, normally in which one of the following parts, does the sperm fertilise the ovum? [CSE (Pre) 2007]

17. Match List I with List II and select the correct answer using the codes given below [CSE (Pre) 2002] List I List II (Achievement in Genetics) (Scientists) A. Discovery of transduction and conjugation in bacteri. 1. Khorana B. Establishing the sex-linked inheritance 2. Korenberg C. Isolation of DNA polymerase from E coli 3. Lederberg D. Establishing the complete genetic code 4. Morgan 5. Ochoa Codes A B C D

18. The hormone insulin is a [CSE (Pre) 2004]

19. Antigen is a substance which [CSE (Pre) 2002]

20. 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

21. 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]

22. What are the reasons for the people's resistance to the introduction of Bt brinjal in India? [CSE (Pre) 2012. 1. Bt brinjal has been created by inserting a gene from a soil fungus into its genome. 2. The seeds of Bt brinjal are terminator seeds and therefore, the farmers have to buy the seeds before every season from the seed companies. 3. There is an apprehension that the consumption of Bt brinjal may have adverse impact on health. 4. There is some concern that the introduction of Bt brinjal may have adverse effect on the biodiversity. Select the correct answer using the codes given below

23. What can be the impact of excessive/inappropriate use of nitrogenous fertilizers in agriculture? [CSE (Pre) 2015. 1. Proliferation of nitrogen-fixing microorganism in soil can occur. 2. Increase in the acidity of soil can take place. 3. Leaching of Nitrate to the groundwater can occur. Select the correct answer using the code given below.

24. A man whose blood group is not known meets with a serious accident and needs blood transfusion immediately. Which one of the blood groups mentioned below and readily available in the hospital will be safe for transfusion? [CSE (Pre) 2002]

25. Match List I with List II and select the correct answer using the codes given below. [CSE (Pre) 2002] List I (Bone) List II(Name) A. Breast-bone 1. Clavicle B. Collar-bone 2. Patella C. Knee-cap 3. Scapula D. Shoulder blade 4. Sternum Codes A B C D