Biology today

(b) answer immediately that the cells were from a plant

source

(c) examine the centrifuge for the presence of extracts of

centrioles

(d) answer immediately that the cells were from an animal

source.

38. Identify the amino acids given below and select the correct
    option.

C NH 2

COOH

H

CH 3

(i)

C NH 2

COOH

H

H

(ii)

C NH 2

COOH

H

(iii)

CH 2 OH

(i) (ii) (iii)

(a) Glycine Serine Alanine

(b) Alanine Glycine Serine

(c) Alanine Serine Glycine

(d) Serine Alanine Glycine

39. Trypsin is added to the baby food because

A. It improves the texture of the product.

B. It stabilises the milk powder.

C. It helps in predigestion of the food.

D. It diminishing the risk of babies developing milk

allergies.

Out the following which of the following are correct?

(a) B and C (b) B and D

(c) C and D (d) A and B

40. Five disaccharides were each hydrolysed with dilute acid, and
    the purified products were separated by one–dimensional
    chromatography. The final chromatogram is shown in the
    diagram below.

12345

Sucrose

If spot 1 represents the products obtained from the hydrolysis
of sucrose, which one of the following indicates the results
obtained from the hydrolysis of lactose and maltose?
Lactose Maltose
(a) 2 3
(b) 2 4
(c) 5 2
(d) 5 3

ANSWER KEY

1. (a) 2. (a) 3. (a) 4. (c) 5. (b)


2. (a) 7. (a) 8. (d) 9. (b) 10. (d)


3. (a) 12. (c) 13. (a) 14. (b) 15. (a)


4. (b) 17. (a) 18. (b) 19. (d) 20. (d)


5. (c) 22. (b) 23. (a) 24. (b) 25. (a)


6. (b) 27. (a) 28. (d) 29. (c) 30. (c)


7. (d) 32. (c) 33. (b) 34. (a) 35. (b)


8. (c) 37. (d) 38. (b) 39. (c) 40. (a)
   

DECEMBER 2015

1. FERRITIN 2. GLAUCOMA


2. HETEROCYSTS 4. MANNITOL


3. GIBBERELLIN 6. TAPETUM


4. HOMOLOGY 8. CANNABINOIDS


5. SONALIKA 10. ANAEMIA
   Winners : Javid Ahmad Dar (J & K), Joydeep Saha (West Bengal),
   Prakriti Jain (Uttar Pradesh), Santanu Paul (West Bengal), Kartikey
   Gaur, Nitika Mehra (Ghaziabad), Shivasis Mohanty (Odisha),
   Devendra Singh (Goa), Sonakshi Saxena, Astha Sharma (Delhi),
   Faizan Nabi (J & K), Shoubhik Koley (West Bengal)

Y OS N

TRPA

GE MI

N UPE

H

Send your response at [email protected] or post to us with complete address by 25th of

every month to win exciting prizes. Winners’ name from October issue

onwards will be declared on 1st of every month on http://www.mtg.in

1. Make as many biological terms as possible
   using the given letters. Each word should
   contain the letter given in circle.


2. Minimum 4 letter word should be made.


3. In making a word, a letter can be used as
   many times as it appears in the box.


4. Make at least 1 seven letter word.


5. S-phase Pg. 48


6. Kinetochore Pg. 51


7. Echidna Pg. 63

ANSWERS WHO AM I ...