11. साख से आप क्या समझते हैं?​

Answer:

odd one out is option c as-

(a) -44 divided by 11 =- 4

(b) 44 divided by -11=- 4

(c) -44 divided by -11 = 4

(d) -(44 divided by 11)= -4

Step-by-step explanation:

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Answer:

c - 4

Step-by-step explanation:

-44/-11

11 cancels 44 four times

minus sign also gets cancelled

4 is remained

hence the answer is 4

where as in the other options, the answer is -4

hence, odd one is option C

Answer:

Hisardale is a new breed of sheep developed by cross breeding technique.

Explanation:

Hissardale sheep are the result of a cross between Bikaneri ewes and Merino rams. The Magra sheep, also known as the Bikaneri Chokhla or Chakri and was formerly known as the Bikaneri, is the only breed that produces lustrous carpet wool, whereas merino is a breed or group of breeds of domestic sheep that produces very fine and soft wool.

Mutation breeding, also known as "variation breeding," is the procedure of subjecting seeds to chemicals or radioactivity in order to create mutants with desirable traits that can then be bred with other cultivars to generate mutations. This was not the method used to create hissardale.

The production of offspring from mating or breeding individuals who are genetically related is referred to as inbreeding. Hissardale was not produced using this method because Bikaneri ewes and merino rams really aren't genetically similar.

Out-crossing, also known as out-breeding, is the practise of crossing two completely different breeds. It aids in increasing genetic diversity, lowering the likelihood of an individual illness onset or genetic abnormalities, which isn't the method used to create hissardale.

Answer:

b.Resource partitioning

Explanation:

Species facing competition might evolve mechanisms that promote co-existence rather than exclusion. One such mechanism is 'resource partitioning'. MacArthur showed that five closely related species of warblers living on the same tree were able to avoid competition and co-exist due to behavioural differences in their foraging activities.

During muscular contraction which of the following events occur ?

(a) ‘H’ zone disappears

(b) ‘A’ band widens

(c) ‘I’ band reduces in width

(d) Myosin hydrolyzes ATP, releasing the ADP and Pi

(e) Z-lines attached to actins are pulled inwards

the correct answer is (b) (a), (c), (d), (e) only

Explanation:

1.During muscle contraction, the cross bridges pull the thin filaments towards the center of A band. The Z line attached to the actins are also pulled inwards thereby causing a shortening of the sarcomere.

2.The I bands get reduced, whereas the 'A' bands retain the length. Myosin head acts as ATPase.

3.When  a sarcomere contracts, the Z lines move closer together and the I band gets smaller. The A band stays the same width and, at full contraction, the thin filaments overlap. When a sarcomere shortens, some regions shorten whereas others stay the same length.