EduKad - Study24x7
study24x7
EduKad
  • Followers
  • Latest Feeds
  • Articles
  • Question
  • Course
  • About
  • Review
Interests
NEET/Medical PG Medical K-12-Medical

Viruses have

A

DNA enclosed in a protein coat

B

Prokaryotic nucleus

C

Single chromosome

D

Both DNA and RNA

study24x7
Write a comment

Pigment-containing membranous extensions in some cyanobacteria are:

A

Heterocysts

B

Basal bodies

C

Pneumatophores

D

Chromatophores

study24x7
Write a comment

Maximum nutritional diversity is found in the group

A

Monera

B

Plantae

C

Fungi

D

Animalia

study24x7
Write a comment

Which one of the following organisms is not an example of eukaryotic cells ?

A

Amoeba proteus

B

Paramecium caudatum

C

Escherichia coli

D

Euglena viridis

study24x7
Write a comment

Organisms called methanogens are most abundant in a:

A

Hot spring

B

Sulphur rock

C

Cattle yard

D

Polluted stream

study24x7
Write a comment

Some hyperthermophilic organisms that grow in highly acidic (pH2) habitats belong to the two Groups:

A

Eubacteria and archaea

B

Cyanobacteria and diatoms

C

Protists and mosses

D

Liverworts and yeasts

study24x7
Write a comment

Ringworm in humans is caused by:

A

Bacteria

B

Fungi

C

Nematodes

D

Viruses

study24x7
Write a comment

Virus envelope is known as

A

Capsid

B

Virion

C

Nucleoprotein

D

Core

study24x7
Write a comment

Which one is the wrong pairing for the disease and its causal organism?

A

Root-knot of vegetables: Meloidogynespecies

B

Late blight of potato: Alternaria solani

C

Black rust of wheat: Puccinia graminis

D

Loose smut of wheat: Ustilago nuda

study24x7
Write a comment

Bacterial leaf blight of rice is caused by a species of:

A

Alternaria

B

Erwinia

C

Xanthomonas

D

Pseudomonas

study24x7
Write a comment

Thermococcus, Methanococcus and Methanobacterium exemplify:

A

bacteria whose DNA is relaxed or positively supercoiled but which have a cytoskeleton as well as mitochondria

B

bacteria that contain a cytoskeleton and ribosomes

C

archaebacteria that contain protein homologous to eukaryotic core histones

D

archaebacteria that lack any histones resembling those found in eukaryotes but whose DNA is negatively supercoiled.

study24x7
Write a comment

Which one of the following statements about mycoplasma is wrong?

A

They cause diseases in plants

B

They are also called PPLO

C

They are pleomorphic

D

They are sensitive to penicillin

study24x7
Write a comment

Ergot of rye is caused by a species of:

A

Claviceps

B

Phytophthora

C

Uncinula

D

Ustilago

study24x7
Write a comment

The causative agent of mad-cow disease is ?

A

Bacterium

B

Prion

C

Worm

D

Virus

study24x7
Write a comment

The thalloid body of a slime mould (Myxomycetes) is known as ?

A

Protonema

B

Plasmodium

C

Fruiting body

D

Mycelium

study24x7
Write a comment
Ratings
5.0
out of 5
2 Ratings
5 study24x7
 
2.0
4 study24x7
 
0.0
3 study24x7
 
0.0
2 study24x7
 
0.0
1 study24x7
 
0.0
Related Pages

Topline Coaching

1189 followers

Daily Current Affair..

535 followers

General Science and ..

459 followers

Learn N Share - Get ..

353 followers

SSC CGL 2020 Prepara..

321 followers

UPSC 2020

240 followers

General Knowledge An..

256 followers

Just Asking - Lets c..

233 followers

Psychology decoded

226 followers

V5 Institute

211 followers

Reasoning with Rizwa..

220 followers

RRB 2020-21 (Railway..

207 followers

Maths By Uttam Sir

199 followers

Results Alert

196 followers

GSGURUMANTRA

194 followers

Tech Geeks

185 followers

Hansraj Academy

184 followers

Learn Advance REASON..

179 followers

Rahul Agnihotri Clas..

173 followers

Java The Complete Gu..

167 followers

Agastya IAS

168 followers

Maths

169 followers