Botany books MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 14, 2025

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