Biology Selected Questions and Answers Set 22

Q.1:- Hydrophytes are ?

1. Animal found in sea
2. Aquatic plant
3. A plant disease
4. A root less plant

Q.2:- The resources which are obtained from biosphere and have life are ? [SSC CPO Exam 2015]

1. Renewable Resources
2. Potential Biosphere
3. Biotic Resources
4. Abiotic Resources

Q.3:- The term ecosystem is first given by ?

1. Reiter
2. Aristotle
3. Transley
4. Haeckel

Q.4:- We get solar energy from ? [BPSC Exam 2001]

1. Moon
2. Sea
3. Sun
4. Air

Q.5:- Vultures which used to be very common in Indian country-side some years ago are rarely seen nowadays. This is attributed to ? [IAS Exam 2012]

1. The destruction of their nesting sites by new invasive species
2. A drug used by cattle owners for treating their diseased cattle
3. Scarcity of food available to them
4. A widespread, persistent and fatal disease among them

Q.6:- Eco-mark is given to an India product which is ? [CDSI Exam 2011]

1. Rich in protein
2. Environment friendly
3. Economically viable
4. Pure and unadulterated

Q.7:- Plant and animal living in a particular area constitute ?

1. Flora and Fauna
2. Community
3. Ecosystem
4. Ecology

Q.8:- Which of the following can be found as pollutants in the drinking water in some parts of India?

Select the correct answer using the code given below?

1. Arsenic
2. Sorbitol
3. Fluoride
4. Formaldehyde
5. Uranium

Q.9:- Which of the following is the best indicator of SO₂ ? [SSC Exam 2015]

1. Bryophyte
2. Lichen
3. Algae
4. Pteridophyte

Q.10:- Which is the most stable ecosystem ? [SSC Exam 2011]

1. Desert
2. Ocean
3. Mountain
4. Forest

Q.11:- B-Diversity is also known as ? [SSC (CGL) Exam 2015]

1. Global Diversity
2. Ecosystem Diversity
3. Between Habitat Diversity
4. Within Habitual Diversity

Q.12:- Which one lacks both root and stomata ?

1. Hydrophytes
2. Mesophytes
3. Hygrophytes
4. Halophytes

Q.13:- The average salinity of sea water is ? [JSS Exam 2015]

3. 5%
4. 4%
5. 5%
6. 6%

Q.14:- Acid rain is due to ? [UPCS Uttarakhand Exam 2008]

1. Excess production of coal gas
2. Excess release of CO₂ due to increasing combustions and respiration
3. Excess release of SO₂ and NO₂ from burning fossil fuels
4. Excess production of gaseous hydrocarbon

Q.15:- Ozone layer present in our atmosphere absorb ? [Utt. PCS Exam 2008]

1. Cosmic Rays
2. Infrared Rays
3. Ultraviolet Rays
4. All Rays

Q.16:- August Weismann proposed ? [SSC Exam 2015]

1. Natural Selection Theory
2. Germ Plasm Theory
3. Modern Synthetic Theory
4. Inheritance of Acquired Character

Q.17:- Which of the following gas do not considered as polluting agent of air ? [RRB Exam 2003]

1. CO₂
2. CO
3. NO₂
4. SO₂

Q.18:- Crescograph was invented by ? [SSC Exam 2014]

1. N. Bose
2. C. Mahalnobis
3. C. Bose
4. C. Roy

Q.19:- The term histology was first used by ? [RRB Exam 2005]

1. Schleiden
2. Mayer
3. Robert Hooke
4. Maman

Q.20:- Scientist who crystalized virus for the first time causing mosaic in tobacco ? [BSSC Exam 2015]

1. Waksman
2. Watson
3. Stanley
4. Emerson

Q.21:- Who discovered the first antibiotic ? [SSC Exam 2015]

1. W Fleming
2. C Waksman
3. Louis Pasteur
4. A Fleming

Q.22:- Who discovered vaccination for Rabies ?

1. Jenner
2. Pasteur
3. Darwin
4. Lister

Q.23:- Who synthesized the DNA in vitro ? [BPSC Exam 2015]

1. Arthur Kornberg
2. Robert Kornberg
3. Robert Hooke
4. Joseph Lister

Q.24:- The coral reefs are the marine counter part of ? [SSC Exam 2011]

1. Temperate forest
2. Tropical rain forest
3. Savannahs
4. Scrubland

Q.25:- The book which contains information of plants is called as ? [BSSC Exam 2015]

1. Green Book
2. Yellow Book
3. Blue Book
4. Red Book