Biology Selected Questions and Answers Set 27

Q.1:- Who published the book “Origin of Species by Natural Selection in 1859” ?[SSC Exam 2013]

1. Lamarck
2. Darwin
3. Wallace
4. Oparin

Q.2:- Which one of the following is the correct sequence of a food chain ? [UPSC Exam 2014]

1. Diatoms-Crustaceans-Herrings
2. Crustaceans-Diatoms-Herrings
3. Diatoms-Herrings-Crustaceans
4. Crustaceans-Herrings-Diatoms

Q.3:- Which one of the following is a Xerophytic plant ? [RRB Exam 2004]

1. Mustard
2. Amarbel
3. Karil
4. Neem

Q.4:- With what bioregion the term stepped associated ? [UPSC Exam 2015]

1. Khana Park
2. Sundar Ban
3. Grass Land
4. National Park

Q.5:- Van Mahotsav is associated with ? [SSC Exam 2011]

1. Protection of plant
2. Planting tree
3. Increase in crop
4. Cutting trees

Q.6:- The most important indoor air pollutant is ? [CgPCS Exam 2016]

1. Sulphur Dioxide
2. Carbon Dioxide
3. Nitrogen Dioxide
4. Radon Gas
5. None of these

Q.7:- Which gas is responsible for global warming ? [Uttarakhand PCS Exam 2008]

1. O₂
2. O₂ and CO₂
3. CO₂ and CH₄
4. CH₄

Q.8:- Greenhouse effect is ? [Uttarakhand PCS (Pre) Exam 2008]

1. Collection of greenhouse gases which rise the temperature of atmosphere
2. Production of flower and vegetable in increased temperature
3. Production of crop in glass house
4. None of these

Q.9:- Blood Group is discovered by ? [Uttarakhand PCS Exam 2008]

1. Landsteiner
2. Robert Koch
3. William Harvey
4. Louis Pasture

Q.10:- The reason of large-scale diversity among the organisms is ? [BPSC Exam 2015]

1. Adaptation
2. Cooperation
3. Mutation
4. Polyploidy

Q.11:- Development of the natural systems is described as ? [BPSC Exam 2011]

1. Function of the system
2. Evolution of the systems
3. Self-sustained process of the system
4. None of the above

Q.12:- Among the breeds of cows mentioned below which one is not indigenous ? [BSSC Exam 2015]

1. Holstein-Friesian
2. Gir
3. Red-Sindhi
4. Tharparkar

Q.13:- Bt seed is associated with ? [SSC Exam 2011]

1. Rice
2. Wheat
3. Cotton
4. Oil Seed

Q.14:- Phycology is the branch of botany in which we study about ? [SSC (LDC) Exam 2015]

1. Algae
2. Fungi
3. Ecology
4. Virus

Q.15:- In exobiology we study about ? [SSC Graduate Level Exam]

1. External structure of living beings
2. Life present on the earth
3. Life present in the other layer of earth atmosphere
4. Life found in space and on other satellite

Q.16:- The confirmatory test for HIV virus causing AIDS is ? [SSC Stenographer Exam 2013]

1. CDR Count
2. Western Blot Test
3. ELISA Test
4. PCR

Q.17:- Which of the following is a free living bacteria that help in Nitrogen fixation ? [CDS Exam 2009]

1. Azotobacter
2. Anabaena
3. Azolla
4. Nostoc

Q.18:- AIDS Virus destroys ? [SSC Graduate Level Exam 2000]

1. Single Stranded RNA
2. Double Stranded RNA
3. Single Stranded DNA
4. Double Stranded DNA

Q.19:- Which of the following is used as bio-fertilizer in the production of crop paddy ? [IAS (Pre) Exam 2000]

1. Blue Green Algae
2. Rhizobium
3. Fungi
4. Azotobacter

Q.20:- Which of the following is categorized as millet ? [CDS Exam 2009]

1. Wheat
2. Rice
3. Sorghum
4. Maize

Q.21:- Potato is related with family ?

1. Crucciferi
2. Solanacea
3. Graminee
4. Composite

Q.22:- Canola refers to special type of oil seed mustard varieties bred for human consumption. The main characteristics of these varieties is that the ? [IAS (Pre) Exam 2000]

1. Seed have very high oil content
2. Oil is rich in unsaturated fatty acids
3. Oil has long & shelf life
4. Oil has very low erucic acid

Q.23:- Root develop from any part of plant body except the radical ?

1. Tap Root
2. Adventitious Root
3. Fibrous Root
4. Tuberous Root

Q.24:- The edible part of garlic is ?

1. Tunic
2. Reduced Stem
3. Fleshy Scales
4. Base of in Florescence

Q.25:- Fertilization is a process in which ?

1. A male gamete fuse with egg cell
2. Transfer of pollen grains nuclei
3. Fusion of male gamete with polar
4. Formation of seed from ovule