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Practice Biology | Botany on Bissoy — browse topics below and open any question.
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Questions
which statement is true?
ক
Big Ben was weighs over thirty tons
খ
The bel is 316 feet high
গ
The bell has 336 steps
ঘ
Big Ben has a vibrant sound
Which of the following is NOT an autoimmune disease?
ক
Diabetes
খ
Rheumatoid Arthritis
গ
Multiple Sclerosis
ঘ
AIDS
Which of the following is NOT a plant hormone?
ক
Corticosteroid
খ
Brassinosteroid
গ
Polyamines
ঘ
Salicylic acid
Which of the following plants is not capable of manufacturing own food?
ক
Algae
খ
Mushroom
গ
Carrot
ঘ
Cabbage
Which gymnospermic plant cures rheumatism?
ক
Ephedra
খ
Pinus
গ
Araucaria
ঘ
Gnetum
Which one of the following is a plant hormone?
ক
Cytokinin
খ
Oestrogen
গ
Thyroxin
ঘ
Insulin
Which type of permanent tissue helps the aquatic plants to float?
ক
Aerenchyma
খ
Collenchyma
গ
Sclerenchyma
ঘ
No option is correct
Which of the following represents the most complex trophic level?
ক
Community
খ
Population
গ
Ecosystem
ঘ
Species
What is the basis of first level of classification among plants?
ক
Differentiated plant body
খ
Specialised tissues
গ
Ability to bear seeds
ঘ
No option is correct
Which one of the following is a leguminous crop?
ক
Mucuna
খ
Pulses
গ
Sesame
ঘ
Cereals
The process of producing energy in plants is known as
ক
Absorption
খ
Reduction
গ
Photosynthesis
ঘ
Transpiration
Which tissue makes the plant hard and stiff?
ক
Parenchyma
খ
Sclerenchyma
গ
Collenchyma
ঘ
Xylem
Auxiliary bud develops into which of the following part of the plant?
ক
Fruit
খ
Leaf
গ
Branch
ঘ
Roots
Xylem helps in transportation of which of the following?
ক
Food
খ
Water
গ
Nutrients
ঘ
Both food and water
The xylem in plants are responsible for:
ক
transport of water
খ
transport of food
গ
transport of amino acids
ঘ
transport of oxygen
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