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NEET/Medical
33 followers study24x7 12 Jan 2019 01:07 PM study24x7 study24x7

Which of the following alga shows heterotrichous habit

A

Oedogonium

B

Chlamydomonas

C

Ulothrix

D

Stigeoclonium

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33 followers study24x7 12 Jan 2019 01:06 PM study24x7 study24x7

The 13–celled male gametophyte of Selaginella shows

A

8 cells of the antheridium + 5 prothallial cells

B

9 cells of the antheridium + 4 prothallial cells

C

10 cells of the antheridium + 3 prothallial cells

D

8 jacket cell + 4 androgonial + 1 prothallial cells

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33 followers study24x7 12 Jan 2019 01:05 PM study24x7 study24x7

Monkey's puzzle'' is a common name for

A

Araucaria embricata

B

Cycas revoluta

C

Pinus longifolia

D

Gnetum genon

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33 followers study24x7 10 Jan 2019 05:18 PM study24x7 study24x7

The hepatic portal vein drains blood to liver from

A

Heart

B

Stomach

C

Kidneys

D

Intestine

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33 followers study24x7 10 Jan 2019 05:16 PM study24x7 study24x7

chemistry

chemistry
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33 followers study24x7 10 Jan 2019 05:14 PM study24x7 study24x7

Physics

Physics
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33 followers study24x7 09 Jan 2019 06:33 PM study24x7 study24x7
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33 followers study24x7 09 Jan 2019 06:32 PM study24x7 study24x7
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33 followers study24x7 08 Jan 2019 03:47 PM study24x7 study24x7
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33 followers study24x7 08 Jan 2019 03:43 PM study24x7 study24x7

Sweet potato is a modified

A

Tap root

B

Adventitious root

C

Stem

D

Rhizome

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33 followers study24x7 08 Jan 2019 03:41 PM study24x7 study24x7

Pneumatophores occurs in

A

Carnivorous plants

B

Free-floating hydrophytes

C

Halophytes

D

Submerged hydrophytes

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33 followers study24x7 08 Jan 2019 03:40 PM study24x7 study24x7

Which of the following statement is correct?

A

Horsetails are gymnosperms

B

Saleginella is heterosporous while Salvinia is homosporous

C

Ovules are not enclosed by ovary wall in gymnosperms

D

Stems are usually unbranched in both Cycas and Cedrus.

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33 followers study24x7 08 Jan 2019 02:38 PM study24x7 study24x7
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33 followers study24x7 07 Jan 2019 03:43 PM study24x7 study24x7

Ammonia – a toxic byproduct of protein
One of the byproducts of protein metabolism is ammonia. In high levels, ammonia is extremely dangerous to the body and so is converted into urea. This water-soluble chemical is collected by the kidneys and eliminated from the body in our urine. The more protein we eat each day, in excess of our needs, the more work our kidneys must do to get rid of the ammonia.

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33 followers study24x7 07 Jan 2019 03:41 PM study24x7 study24x7

Sources of protein-lean meat, poultry and fish -eggs -dairy products like milk, yoghurt and cheese -seeds and nuts -beans and legumes (such as lentils and chickpeas) -soy products like tofu -some grain and cereal-based products are also sources of protein, but are generally not as high in protein as meat and meat alternative products.


Sources of protein-lean meat, poultry and fish
-eggs
...
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33 followers study24x7 07 Jan 2019 12:22 PM study24x7 study24x7

In stratosphere, which of the following elements acts as a catalyst in degradation of ozone and release of molecular oxygen?

A

Fe

B

Cl

C

Carbon

D

Oxygen

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33 followers study24x7 03 Jan 2019 06:15 PM study24x7 study24x7
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33 followers study24x7 03 Jan 2019 06:14 PM study24x7 study24x7
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33 followers study24x7 31 Dec 2018 04:54 PM study24x7 study24x7
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33 followers study24x7 31 Dec 2018 04:51 PM study24x7 study24x7
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