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Class 6
14 followers study24x7 13 May 2020 04:22 PM study24x7 study24x7

Please watch these videos to clearly understand about the reproduction in organisms.https://youtu.be/r8IoV0y4htU

https://youtu.be/-yriYncPrd4

https://youtu.be/ShUig3tIS8Y

https://youtu.be/mseicIHO_nQ

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14 followers study24x7 13 May 2020 04:14 PM study24x7 study24x7

This file include an information about the reproduction in organisms(grade 10)

cbse-class-10-science-notes-chapter-8-how-do-organisms-reproduce.pdf
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14 followers study24x7 13 May 2020 03:48 PM study24x7 study24x7

What are the precautions that need to be taken to protect from the coronavirus?

A

Cover your nose and mouth when sneezing

B

Add more garlic inro your diet

C

Visit your doctor for antibiotics

D

Wash your hands afetr every hour

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14 followers study24x7 13 May 2020 03:45 PM study24x7 study24x7

From where coronavirus got its name?

A

Due to their crown like projections

B

Due to their leaf like projections

C

Due to surface structure of bricks

D

None of the above

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14 followers study24x7 13 May 2020 03:43 PM study24x7 study24x7

Mild symptoms of Novel coronavirus are:

A

Fever

B

Cough

C

Shortness of breath

D

All the above

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14 followers study24x7 13 May 2020 03:41 PM study24x7 study24x7

Which of the following diseases are related to coronavirus?

A

MERS

B

SARS

C

Both A and B

D

Neither A nor B

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14 followers study24x7 13 May 2020 03:40 PM study24x7 study24x7

The first case of novel coronavirus was identified in

A

Beijing

B

Shanghai

C

Wuhan

D

Tainjin

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14 followers study24x7 13 May 2020 03:39 PM study24x7 study24x7

World health organisation on 11 February 2020, announced an official name for the disease that is causing the 2019 novel corona virus outbreak? what is the new name of the disease?

A

COVID-19

B

COvin-19

C

COnv-20

D

COnVID-19

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14 followers study24x7 12 May 2020 06:08 PM study24x7 study24x7

 What is Coronavirus?

A

It is a large family of viruses.

B

It belongs to the family of Nidovirus.

C

 Both A and B are correct

D

 Only A is correct.

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14 followers study24x7 12 May 2020 06:03 PM study24x7 study24x7

 In which age group the COVID-19 spreads?

A

COVID-19 occur in all age groups.

B

 Coronavirus infection is mild in children.

C

Older person and persons with pre-existing medical conditions are at high risk to develop serious illness.

D

All the above are correct

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14 followers study24x7 12 May 2020 06:01 PM study24x7 study24x7

What happens to a person suffering from COVID-19?

A

Around 80% of the people will require no treatment as such and will recover on their own.

B

Around <20% or a small proportion may need hospitalisation.

C

A very small proportion basically suffering from chronic illness may need admission in an Intensive Care Unit (ICU).

D

All the above are correct

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14 followers study24x7 12 May 2020 05:58 PM study24x7 study24x7

 How does Coronavirus transmit?

A

When a person sneezes or cough, droplets spread in the air or fall on the ground and nearby surfaces.

B

 If another person is nearby and inhales the droplets or touches these surfaces and further touches his face, eyes or mouth, he or she can get an infection.

C

If the distance is less than 1 meter from the infected person.

D

All the above are correct.

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14 followers study24x7 12 May 2020 05:55 PM study24x7 study24x7

Name a clinical trial in which blood is transfused from recovered COVID-19 patients to a coronavirus patient who is in critical condition?

A

Plasma Therapy

B

Solidarity

C

Remdesivir

D

Hydroxychloroquine

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14 followers study24x7 12 May 2020 05:52 PM study24x7 study24x7

Name the vaccine that is jointly developed by the German company BioNTech and US pharma giant Pfizer for COVID-19?

A

BNT162

B

PICOVACC

C

Both A and B

D

Neither A nor B

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14 followers study24x7 11 May 2020 07:51 PM study24x7 study24x7

Which of the following is biodegradable?

A

Leather belts

B

Silver foil

C

Iron nails

D

Plastic mugs

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14 followers study24x7 11 May 2020 07:50 PM study24x7 study24x7

The sleeping sickness is caused by

A

Escherichia

B

Neisseria

C

Entamoeba

D

Trypanosoma

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14 followers study24x7 11 May 2020 07:48 PM study24x7 study24x7

Pink mould is the common name for

A

Aspergillus

B

Rhizopus

C

Neurospora

D

Mucor

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14 followers study24x7 11 May 2020 07:47 PM study24x7 study24x7

The virus without capsid but only with nucleic acids is called

A

capsomere

B

Nuceoid

C

Prion

D

Virion

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14 followers study24x7 11 May 2020 07:45 PM study24x7 study24x7

Cyanide poisoning causes death in seconds because

A

It causes lysis of red blood cells

B

It denatures enzymes of the heart/muscles

C

It breaks the electron transport chain

D

It causes cardiac arrest

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14 followers study24x7 11 May 2020 07:41 PM study24x7 study24x7

Photoperidism affects

A

Vegetative growth

B

fruiting

C

Flowering

D

All of these

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