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Botany books MCQs

1. : Who was the writer of the book “Origin of Species”?

(A) Mendel


(B) Darwin


(C) Linnaeus


(D) Lamarck



2. : In photo morphogenetic movements, the pigment involved is:

(A) Chromatin


(B) Vernalin


(C) Cytochrome


(D) Phytochrome



3. : For the formation of lichen, the interaction between fungi and algae is known as:

(A) Amensalism


(B) Commensalism


(C) Mutalism


(D) Parasitism



4. : In C4 plants 1st CO2 receptor is:

(A) PEP


(B) PGA


(C) OAA


(D) RuBD



5. : An organism lives in the actual place or location known as:

(A) Ecosystem


(B) Habitat


(C) Biome


(D) Niche



6. : An ecosystem has the components:

(A) Plants and animals


(B) Trees and weeds


(C) Biotic and abiotic


(D) Man and plants



7. : By human activities, which biomes have been increased in an area?

(A) Desert


(B) Coniferous forest


(C) Savanna


(D) Grassland



8. : Chernobyl & MIC, the two industrial tragedies occurred respectively in:

(A) Ukraine 1990, Bhopal 1986


(B) Bhopal 1980, Ukraine 1984


(C) Madhya Pradesh 1980, Russia 1990


(D) Ukraine 1986, Bhopal 1984



9. : Phyto- and zoo-planktons are present in which zone of the lake ecosystem?

(A) Water deep layers


(B) Profundal zone


(C) Limnetic zone


(D) Littoral zone



10. : What are Tyloses?

(A) Sieve plates


(B) Tracheal plugs plugging the lumen of vessels and tracheids


(C) Lactiferous channels


(D) Secretory cells



11. : 10% energy transfer law of food chain was introduced by:

(A) Lindmann


(B) Lederberg


(C) Lindley


(D) Weismann



 

 

Read More MCQs of Botany

  1. SET 1: Botany MCQs
  2. SET 2: Botany MCQs
  3. SET 3: Botany MCQs
  4. SET 4: Botany MCQs
  5. Plant Kingdom MCQs
  6. Physiology Of Plants Pathogens MCQs

 

biology repeated mcqs pdf book download

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