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March 28, 2022

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20. Cytochrome is found in

(a)  Cytoplasm                         (b)  Golgi body (c)  Nucleus                           ...

Q21. If South-east becomes North, North-east becomes West and so on, what will West become? 

ਜੇਕਰ ਦੱਖਣ ਪੂਰਬ ਨੂੰ ਉਤਰ ਕਿਹਾ ਜਾਂਦਾ ਹੈ ਉਤਰ ਪੂਰਬ ਨੂੰ ਪੱਛਮ ਕਿਹਾ ਜਾਂਦਾ ਹੈ ਇਸੇ ਤਰ੍ਹਾਂ ਪੱਛਮ ਨੂੰ ਕੀ...

19. The main difference between chlorophyll ‘a’ and ‘b’ is

(a)  Chlorophyll ‘a‘ is linear chain compound and ‘b‘ is branched chain (b)  Chlrophyll ‘a‘ has no Mg+ ion in...

18. Mark the incorrect statement

(a)  All cells do not contains a true nucleus (b)  Respiration occurs in mitochondria (c)   Cell walls are generally made...

17. The endoskeleton of cell is made up of

(a)  Cell wall                             (b)  Endoplasmic reticulum (c)   Cytoplasm                         (d)  Mitochondria Ans. (b)          Endoplasmic reticulum gives support to the cell. (17)

16. The fine network of single unit membrane distributed extensively throughout the cytoplasm in a cell is referred to as

(a)  Golgi bodies                      (b)  Peroxisome (c)   Lysosome                           (d)  Endoplasmic reticulum Ans  d (43)

15. When the region of endoplasmic reticulum are studded by ribosome on their outer surface of the cisternae, it is called

(a)  Sarcoplasmic reticulum (b)  Smooth endoplasmic reticulum (c)   Granular endoplasmic reticulum (d)  None of the above Ans. c (8)

14. The endoplasmic reticulum often bears

(a)  Lysosomes                         (b)  Centrioles (c)   Peroxisomes                      (d)  Ribosomes Ans. d (20)

13. Single unit membrane structure present in the cytoplasm in the form of a net is

(a)    Golgi complex                   (b)  Microtubules (c)   Microsomes                       (d)  Endoplasmic reticulum Ans.  d (42)

12. In endoplasmic reticulum the following process take place

(a)  Lipid synthesis (b)  Channeling of biosynthetic processes (c)   Steroid synthesis (d)          All of the above Ans. d (15)

35. Assertion : Mitochondria and chloroplasts are semiautonomous organelles. Reason : They are formed by division of pre-existing organelles as well as contain DNA but lack protein synthesizing machinery

(a)       If both the assertion and the reason are true and the reason is a correct explanation of the assertion...

34. Assertion : A cell membrane shows fluid behaviour. Reason : A membrane is a mosaic or composite of diverse lipids and proteins.

(a)       If both the assertion and the reason are true and the reason is a correct explanation of the assertion...

31. Assertion : Cell wall is not found in animal cell. Reason : Animal cells are covered by cell membrane.

(a)      If both the assertion and the reason are true and the reason is a correct explanation of the assertion (b)      If...

33. Assertion : The number of cells in a multicellular organism is inversely proportional to the size of body. Reason : All the cells in the biological world are of same size.

(a)       If both the assertion and the reason are true and the reason is a correct explanation of the assertion...

32. Assertion : It is important that the organisms should have cell. Reason : A cell keeps its chemical composition steady within its boundary.

(a)       If both the assertion and the reason are true and the reason is a correct explanation of the assertion...

30. Assertion : Histones are basic proteins of major importance in packaging of eukaryotic DNA. DNA and histones comprise chromatine, forming the bulk of eukaryotic chromosome. Reason : Histones are 5 major types H1, H2A, H2B, H3 and H4.

(a)       If both the assertion and the reason are true and the reason is a correct explanation of the assertion...

29. Assertion : DNA is associated with proteins. Reason : DNA binds around histone proteins that form a pool and the entire structure is called a nucleosome.

(a)       If both the assertion and the reason are true and the reason is a correct explanation of the assertion...

28. Assertion : Mitochondria is known as power house of cell. Reason : ATP production takes place here.

(a)       If both the assertion and the reason are true and the reason is a correct explanation of the assertion...

27. Assertion : Lysosomes help in photorespiration. Reason : Lysosome have basic enzyme

(a)       If both the assertion and the reason are true and the reason is a correct explanation of the assertion...

26. Assertion : Living organisms possess specific individuality with the definite shape and size. Reason : Both living and non living entities resemble each other at the lower level of organisation.

  (a)       If both the assertion and the reason are true and the reason is a correct explanation of the...

25. Assertion : Meiotic division results in the production of haploid cells. Reason : Synapsis occurs during zygotene of meiosis.

(a)       If both the assertion and the reason are true and the reason is a correct explanation of the assertion...

24. Assertion : Plasmids are double – stranded extra – chromosomal DNA. Reason : Plasmids are possessed by eukaryotic cells.

(a)       If both the assertion and the reason are true and the reason is a correct explanation of the assertion...

23. Assertion : Meiosis takes place in pollen mother cells. Reason : Each pollen mother cell produce 4 haploid pollen grains.

Read the assertion and reason carefully to mark the correct option out of the options given below : (a)       If...

Q20. If ‘South-east’ is called ‘East’, ‘North-west’ is called ‘West’, ‘South-west’ is called ‘South’ and so on, what will ‘North’ be called?

ਜੇਕਰ ਦੱਖਣ ਪੂਰਬ ਕਿਹਾ ਜਾਂਦਾ ਹੈ, ਉਤਰ ਪੱਛਮ ਨੂੰ ਪਛਮ ਕਿਹਾ ਜਾਂਦਾ ਹੈ, ਦਖਣ ਪਛਮ  ਨੂੰ ਦੱਖਣ ਕਿਹਾ ਜਾਂਦਾ ਹੈ...

Q19. A boy rode his bicycle northwards, then turned left and rode one km and again turned left and rode 2 km, He found himself exactly one km west of his starting point. How far did he ride northwards initially?

ਇਕ ਲੜਕਾ ਆਪਣੀ ਸਾਈਕਲ ਉਤਰ ਵੱਲ ਚਲਾਉਂਦਾ ਹੈ, ਫਿਰ ਉਹ ਖੱਬੇ ਮੁੜਦਾ ਹੈ ਅਤੇ ਇਕ ਕਿਲੋਮੀਟਰ ਚਲਾਉਂਦਾ ਹੈ ਅਤੇ ਫਿਰ...

Q18. A postman was returning to the post office which was in front of him to the north. When the post office was 100 metres away from him, he turned to the left and moved 50 metres to deliver the last letter at Shantivilla. He then moved in the same direction for 40 metres, turned to his right and moved 100 metres. How many metres was he away from the post office?

ਇਕ ਡਾਕੀਆ ਡਾਕਘਰ ਵਾਪਸ ਆ ਰਿਹਾ ਸੀ ਜੋ ਕਿ ਉਸ ਦੇ ਸਾਹਮਣੇ ਉਤਰ ਵੱਲ ਸੀ। ਜੇਕਰ ਡਾਕਘਰ ਉਸ ਤੋਂ 100...

Q17. After walking 6 km, I turned right and covered a distance of 2 km, then turned left and covered a distance of 10 km. In the end, I was moving towards the north. From which direction did I start my journey?

6 ਕਿਲੋਮੀਟਰ ਚੱਲਣ ਤੋਂ ਬਾਅਦ ਮੈਂ ਸੱਜੇ ਮੁੜਦਾ ਹਾਂ ਅਤੇ 2 ਕਿਲੋਮੀਟਰ ਦੀ ਦੂਰੀ ਤੈਹਿ ਕਰਦਾ ਹਾਂ ਫਿਰ ਮੈਂ ਖੱਬੇ...

Q16. I start from my home and go 2 km straight. Then, I turn towards my right and go 1 km. I turn again towards my right and go 1 km again. If I am north-west from my house,then in which direction did I go in the beginning?

ਮੈਂ ਆਪਣੇ ਘਰ ਤੋਂ ਸ਼ੁਰੂ ਕਰ ਕੇ ਅਤੇ 2 ਕਿਲੋਮੀਟਰ ਸਿਧਾ ਜਾਂਦਾ ਹਾਂ। ਫਿਰ ਮੈਂ ਆਪਣੇ ਸਜੇ ਮੁੜਦਾ ਹਾਂ ਅਤੇ...

13. Which two villages are the farthest from one another?

(Questions 12 to 14 ): These questions are based on the following information Seven villages A, B, C, D, E,...

12. A is in the middle of

(Questions 12 to 14 ): These questions are based on the following information Seven villages A, B, C, D, E,...

Q11. A,B,C,D are a playing cards. A and B are partners. D faces towards North. If A faces towards West, then who faces towards South?

ਏ, ਬੀ, ਸੀ, ਡੀ ਤਾਸ਼ ਖੇਡ ਰਹੇ ਹਨ। ਏ ਅਤੇ ਬੀ ਆਪਸ ਵਿਚ ਸਾਥੀ ਹਨ। ਡੀ ਦਾ ਮੂੰਹ ਉਤਰ  ਵਲ...

Q10. If a boy walks from Nitin, meets Atul followed by Kunal, Dinesh and then Prashant, how many metres has he walked if he has travelled the straight distance all through?

Directions (Questions 9-10): Study the information given below carefully and answer the questions that follow ਹੇਠ ਲਿਖੀ ਗਈ ਜਾਣਕਾਰੀ ਨੂੰ...

Q9. Who is to the north-east of the person who is to the left of Kunal

Directions (Questions 9-10): Study the information given below carefully and answer the questions that follow ਹੇਠ ਲਿਖੀ ਗਈ ਜਾਣਕਾਰੀ ਨੂੰ...

Q20. A child is looking for his father. He went 90 metres in the East before turning to his right. He went 20 metres before turning to his right again to look for his father at his uncle’s place 30 metres from this point. His father was not there. From here he went 100 metres to the North before meeting his father in a street. How far did the son meet his father from the starting point?

ਇਕ ਬੱਚਾ ਆਪਣੇ ਪਿਤਾ ਦੀ ਤਲਾਸ਼ ਕਰ ਰਿਹਾ ਹੈ। ਉਹ ਆਪਣੇ ਸਜੇ ਮੁੜਨ ਤੋਂ ਪਹਿਲਾਂ 90 ਮੀਟਰ ਪੂਰਬ ਵੱਲ ਗਿਆ।...

Q8. Distance between A and F is

A, B, C, D, E, F, G, H and I are nine houses. C is 2 km east of B....

22. Assertion : Cell membrane is semipermeable. Reason : The constituent molecules can freely move in the membrane.

Read the assertion and reason carefully to mark the correct option out of the options given below : (a)       If...

7. Distance between E and I is

A, B, C, D, E, F, G, H and I are nine houses. C is 2 km east of B....

21. Assertion : Schleiden and Schwann were the first to observe the cells and to put forward cell theory. Reason : The cells are always living unit.

(a)       If both the assertion and the reason are true and the reason is a correct explanation of the assertion...

6. Distance between E and G is

A, B, C, D, E, F, G, H and I are nine houses. C is 2 km east of B....

Q5. The post office is to the east of the school while my house is to the south of the school. The market is to the north of the post office. If the distance of the market from the post, office is equal to the distance of my house from the school, in which direction is the market with respect to my school?

ਇਕ ਡਾਕ ਘਰ ਸਕੂਲ ਦੇ ਪੂਰਬ ਵਿੱਚ ਹੈ।ਜਦੋਂ ਕਿ ਮੇਰਾ ਘਰ ਸਕੂਲ ਦੇ ਦੱਖਣ ਵਿਚ ਹੈ। ਬਾਜ਼ਾਰ ਡਾਕਘਰ ਦੇ ਉਤਰ...
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