40 important and patterned Botany Questions
**::Lets run our mind to the most important, repeatedly asked and sequenced patterned 40 question of BOTANY.
( I have gone through 3 times of complete solution and given my 100 percent in arranging this questions as patterned. Might it would help you with coming exams. At least this basic questions are yet necessary to get a good marks in botany.
All the best. 😊)
Q1. Oncology is the study of
a. Neoplasm
b. Cytoplasm
c. Nucleoplasm
d. Hyaloplasm
Q2. All of the following is true for virus except that it
a. Has either RNA or DNA
b. Can be crystallized
c. Has nucleic protein with RNA and DNA
d. Is an obligate parasite
Q3. The earliest prokaryotes must have been
a. Chemoautotrophs
b. Chemoheterotrophs
c. Saprophytes
d. Protists
Q4. Red algae and BGA are similar in
a. Mode of reproduction
b. Reserve food
c. Cell Wall
d. Phycobillins
Q5. Nutritious culture medium is obtained from
a. Algae
b. Fungi
c. Bacteria
d. None
Q6. Clamp connections and dolipore septum are the characteristics of
a. Mycomycetes and phycomycetes
b. Ascomycetes and deuteromycetes
c. Basidiomycetes
d. Penicillium and Aspergillus
Q7. Bread mould is the name of
a. Rhizopus
b. Agaricus
c. Penicillium
d. Basidiomycetes
Q8. Which of the following structure help in respiration of lichen
a. Cephalodia
b. Isidia
c. Soredia
d. Cyphella
Q9. A Moss differs from fern in having
a. Flagellated antherozoid
b. Archegonia
c. Haploid spores
d. A dependent sporophyte
Q10. Stele in fern is
a. Protostele
b. Siphnostele
c. Volestele
d. Dictyostele
Q11. Chilgoza grains are obtained from
a. Pinus
b. Triticum aestivum
c. Cycas
d. Banyan tree
Q12. Heliophytes are
a. Light loving plants
b. Shade loving plants
c. Sun loving plants
d. Salt loving plants
Q13. Gaseous exchange in submerged plants occurs by
a. Hydathodes
b. Lenticels
c. Stomata
d. GBS
Q14. The term Ecosystem was coined by
a. Reiter
b. Tansley
c. Linnaeus
d. Odum
Q15. Maximum variation of organism is found in
a. Desert
b. Grassland
c. Temperate
d. Tropical rainforest
Q16. Most of the energy is present in
a. Herbivores
b. Carnivores
c. Producers
d. Tertiary consumers
Q17. Prokaryotic genetic system has
a. DNA but no histone
b. Either DNA or histones
c. Neither DNA nor histones
d. Both DNA and histones
Q18. The marker enzyme of mitochondria is
a. Pyruvate dehydrogenase
b. Aldolase
c. Amylase
d. Succinic dehydrogenase
Q19. Large size of thylakoid is
a. Stroma lamella
b. Grana lamella
c. Grana
d. Loculus
Q20. Transport protein is
a. Actin
b. Albumin
c. Myosin
d. Keratin
Q21. Lipids are
a. Structural constituents of cell membrane
b. Soluble in non polar solvents
c. Component having high energy value
d. All of the above
Q22. Disjunction occurs during
a. Anaphase I
b. Anaphase II
c. Prophase I
d. Prophase II
Q23. Cell plate formation is initiated by
a. Endoplasmic reticulum
b. Golgi complex
c. Microtubules
d. Microfilaments
Q24. Formation of DNA from RNA is called
a. Transcription
b. Transduction
c. Replication
d. Reverse transcription
Q25. Which is present instead of Thymine in RNA
a. Adenine
b. Guanine
c. Cytosine
d. Uracil
Q26. Gene mutation is due to
a. Reproduction
b. Linkage
c. Changes in the sequence of gene in DNA
d. Changes in the sequence of nitrogen bases
Q27. The original source of variation in a genome is
a. Independent assortment
b. Recombination
c. Crossing over
d. Mutation
Q28. A nucleoside differs from nucleotide in Not having
a. Sugar
b. Nitrogen bases
c. Glucose
d. Phosphate group
Q29. Stele in monocot stem is
a. Siphonostele
b. Eustele
c. Atactostele
d. Merostele
Q30. Pericycle lies between
a. Epidermis and hypodermis
b. Endodermis and hypodermis
c. Endodermis and vascular bundle
d. Phloem and xylem
Q31. Which of the following is the modification of stem for storage
a. Ginger
b. Radish
c. Carrot
d. Turnip
Q32. Fertilizers can kill plants due to
a. Endosmosis
b. Exosmosis
c. Plasmolysis
d. None
Q33. In C4 plant, first CO2 acceptor is
a. Oxaloacetic acid
b. Malic acid
c. Ribulose 1,5 biphosphate
d. Phosphoenol Pyruvate
Q34. Respiration and photosynthesis both requires
a. Cytochrome
b. Sunlight
c. Oxygen
d. Carbon dioxide
Q35. When pollination occurs between neighbouring flowers of Same plant
a. Xenogamy
b. Allogamy
c. Geitonogamy
d. Cleistogamy
Q36. Opening and closing of flower involves
a. Nastic movement
b. Epinastic movement
c. Tropic movement
d. Autonomic movement
Q37. Biofertilizer in crop is improved by
a. Phosphate fertilizer
b. Urea
c. Nitrogen fertilizer
d. Calcium fertilizer
Q38. To keep the flower fresh, we use
a. Auxin
b. Cytokinin
c. Gibberellin
d. ABA
Q39. Banana plant develops from
a. Rhizome
b. Seed
C. Sucker
d. Stolon
Q40. Through swan necked flask experiment, Louis pasteur supposed the theory of biogenesis put forward by
a. Stanley Miller
b. A.l. Oparin
c. Francisco Redi
d. Haldane