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Q126. Litmus paper used in laboratory obtained from -
- AGreen algae
- BBlue-green algae
- CLichen
- DFungi
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Answer: C) Lichen
Q127. ln lichen symbiotic relationship between fungi and algae is called-
- AHalotism
- BParasitism
- CSaprophytism
- DNone of these
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Answer: A) Halotism
Q128. Lichen which grow on the bark of tree-
- ASaxicoles
- BCorticoles
- CParmelia
- DAscocoles
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Answer: B) Corticoles
Q129. Lichen which grow on stones are called-
- ASaxicoles
- BCorticoles
- CSexotelus
- DAscocoles
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Answer: A) Saxicoles
Q130. The smallest prokaryotic organism is Known-
- AMicrocystis
- BMycoplasma
- CBacteria
- DChlorella
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Answer: B) Mycoplasma
Q131. Medicine for epilepsy is obtain from which of the following lichen ?
- ALobaria
- BRoccella
- CParmelia
- DEvemia
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Answer: C) Parmelia
Q132. Which of the following is used as bio-fertilizer?
- AColastridum
- BUrea
- CAzola
- DBaggase
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Answer: C) Azola
Q133. Growth of virus occur in………
- ADead body
- BLiving call
- CWater
- Dln sugar solution
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Answer: B) Living call
Q134. Micro-organism are found in…….
- ASalted water
- BSandy soil
- CMarshy soil
- DAll above
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Answer: D) All above
Q135. Which of the following is one of the commercial product obtained from gelidium and Gracilaria and are used to grow microbes and preparation of ice-cream and jellies ?
- AAgar
- BChlorella
- CSpirullina
- DGymnosperm
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Answer: A) Agar
Q136. Which one of following is commonly known as pond silk?
- ASpirogyra
- BRhizopus
- CYeast
- DUlothrix
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Answer: A) Spirogyra
Q137. ………are chlorophyll bearing,simple, thalloid, autotrophs are largely aquatic (both fresh water and marine water) organism .
- APteridophytes
- BBryophytes
- CAlgae
- DGymnosperm
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Answer: C) Algae
Q138. Microbial fuel cells are considered a source of substainable energy. Why? 1. They use living organisms as catalysts to generate electricity from certain substracts. 2. They use a variety of inorganic materials as substrates. 3. They can be installed in waste water treatment plants to cleanse water and produce electricity. Which statements given above is/are correct ?
- A1 only
- B2 and 3 only
- C1 and 3 only
- D1, 2 and 3
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Answer: B) 2 and 3 only
Q139. Dog bite can cause rabies. Which among the following other animals can also cause rabies?
- ADonkey
- BBat
- CHorse
- DCrocodile
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Answer: B) Bat
Q140. Penicillin is isolated from…..
- AFungi
- BAlgae
- CVirus
- DBacteria
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Answer: A) Fungi
Q141. Which micro organism causes Hepatitis B?
- AVirus
- BProtozoa
- CBacteria
- Dss
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Answer: A) Virus
Q142. Which of the following statements regarding viruses is not true?
- AViruses need living cells to reproduce
- BAll viruses are parasite
- CViruses can synthesize their food through photosynthesis
- DViruses are similar to chemical substances outside the
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Answer: A) Viruses need living cells to reproduce
Q143. Which of the following does not have any enzyme in its cells?
- ALichen
- BVirus
- CBacteria
- DAlgae
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Answer: B) Virus
Q144. ln which of the following type of organism autotrophic nutrition is found ?
- AFungi
- BVirus
- CProtozoa
- DBacteria
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Answer: D) Bacteria
Q145. Which of the following statements about living and non-living being is /are correct ? 1. While living being can demonstrate growth and repair , non-living being cannot. 2. While living being demonstrates metabolic processes non-living being does not. Select the correct answer using the code given below.
- A1 only
- B2 only
- CBoth 1 and 2
- DNeither 1 nor 2
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Answer: C) Both 1 and 2
Q146. How does an unicellular rproduce ?
- ACell division
- BCell reproduction
- CCell synthesis
- DFragmentation
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Answer: B) Cell reproduction
Q147. ……..are chlorophyll- bearing, simple,thalloidautotrophic and largely aquatic (both fresh water and marine ) organisms.
- APteridophytes
- BBryophytes
- CAlgae
- DGymnosperms
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Answer: C) Algae