In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it.Read the Statement carefully and mark the correct answer-
Assertion(A): Cytochromes are only found in mitochondria.
Reason (R): Cytochrome b5 occurs in the endoplasmic reticulum.
  • a)
    Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
  • b)
    Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
  • c)
    Assertion is false but Reason is true.
  • d)
    Assertion is true but Reason is false.
Correct answer is option 'C'. Can you explain this answer?

Mulinti Omkr answered  •  22 minutes ago
Cytochromes are found in mitochondria, chloroplSt, endoplasmic reticulum so if the statement is cytochromes are only found in mitochondria means this statement is wrong
mitochondria: as we already studied in the lesson named respiration in plants the cytochrome c is present in the innermitochondrial memdrane
chloroplast: cytochrome b6f complex... plastoquinol-plastocyanic reductase i
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Erythropoiesis starts in
a) Red bone marrow 
b) Spleen
c) Kidneys
d) Liver
Correct answer is option 'D'. Can you explain this answer?

Piya Thakur answered  •  27 minutes ago
In the early development of a fetus , erythropoiesis take place in the yolk sac, spleen and liver.After birth, all erythropoiesis occurs in bone marrow.

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Awantika Gupta answered  •  59 minutes ago
Budding is a kind of asexual reproduction which usually takes place in potato hydra yeast and sponges.

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Shreya Saini answered  •  1 hour ago
Let the parents have 2n number of chromosomes. Then, they produce gametes by meiosis, that means gametes would have n number of chromosomes because meiosis is a reductional division. After that, by fertilisation, the two male and female gametes fuse to form zygote, i.e. zygote would have (n+n)=2n number of chromosomes. The zygote undergo mitosis, equational division and differentiation to form mat... more

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Hemozoin is released into blood during the infection of Plasmodium vivax every___.
  • a)
    12 hrs
  • b)
    72 hrs
  • c)
    48 hrs
  • d)
    24 hrs
Correct answer is option 'B'. Can you explain this answer?

Shruti Shukla answered  •  7 hours ago
Hemozoin is tha cause of fever and chill during malaria...bcz fever reoccur ever 3 day so we can say that hemozoin is released every 3 days that is 72 hrs

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Ved Parkash Bishnoi answered  •  7 hours ago
Alkaptonuria is a rare autosomal recessive genetic disorder which occur due to mutation in hgd gene ,,, this defect is diagnosed by the urine of suspected person as the urine of the disease person is Black Or brown in this disease

A chemical signal that has both endocrine and neural roles is
  • a)
    Cortisol
  • b)
    Melatonin
  • c)
    Calcitonin
  • d)
    Epinephrine
Correct answer is option 'D'. Can you explain this answer?

Ved Parkash Bishnoi answered  •  8 hours ago
The answer of this question is epinephrine because it act as neurotransmitter and also secreted through adrenal medulla during emergency which act as hormone,so it has both role as endocrine and neural

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Can you explain the answer of this question below

Ved Parkash Bishnoi answered  •  8 hours ago
As we know that autotrophs are the only organism which are capable to form their oven food due to the presence of pigment contain in chloroplast and the process through which autotroph prepare their own food is known as photosynthesis which is is exclusive feature of plants and not of animals

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The crops engineered for glyphosate are resistant/tolerant to:
  • a)
    Herbicides
  • b)
    Fungi
  • c)
    Bacteria
  • d)
    Insects
Correct answer is option 'A'. Can you explain this answer?

Ved Parkash Bishnoi answered  •  8 hours ago
Glyphosate crops are resistance to Herbicide these are the genetically modified crops advantage of this modification is to protect the crop from weedicide

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In X-H.Y, X and Y both are electronegative elements then? 1 election density on X will increase and on H will decrease 2 in both electron density will increase 3 in both electron density will decrese 4 election density on X w... more

Ved Parkash Bishnoi answered  •  8 hours ago
As we know that electronegative element has tendency to attract lone pair of electrons so electron density on electronegative element will increase ,,, according to question in the question electron density will increase on X and Y while electron density will decrease on H

Nuclear envelope is a derivative of :
  • a)
    Rough endoplasmic reticulum
  • b)
    Smooth endoplasmic reticulum
  • c)
    Membrane of Golgi complex
  • d)
    Microtubules
Correct answer is option 'B'. Can you explain this answer?

Ved Parkash Bishnoi answered  •  8 hours ago
As we know that membrane is made up of lipids, major component of a membrane and smooth endoplasmic reticulum form lipid so nuclear membrane is derivative of smooth endoplasmic reticulum

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Red tide is caused by
a) Noctiluca
b) Gymnodinium
c) Gonyaulax
d) All of these
Co... more

Andriya Santhosh answered  •  8 hours ago
Gonyaulax is a red coloured dinoflagellate. poison contained in it cause the red colour of the sea and it also affect the aquatic life.

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Nisha Yadav answered  •  9 hours ago
Life span of fruit fly is approx. 40-50 days . It's life span is heavily influenced by temperature.

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