WorksheetsUNIT TEST- 2 (QUIZ) (CH 5,8-CLASS XI)
Total questions: 20
Worksheet time: 23mins
The primary root and its branches constitute
(a) Fibrous root system
(b) Tap root system
(c) Both (a) and (b)
(d) None of these
In wheat (monocot)
(a) Primary root is short lived
(b) Primary root replaced by fi brous roots
(c) Fibrous roots arises from the base of stem
(d) All are correct
Adventitious roots arise from part other than
(a) Hypocotyl
(b) Epicotyl
(c) Plumule
(d) Radicle
Root hairs arise from
(a) Zone of cell division
(b) Zone of cell elongation
(c) One of cell maturation
(d) All of these
Prop or pillar roots are found in
(a) Carrot
(b) Sweet potato
(c) Banyan tree
(d) Maize
Find out the incorrect statement
(a) Sweet potato has root modification for storage of food.
(b) Still root arises from lower nodes of the stem.
(c) Rizophora posses pneumatophores.
(d) Pneumatophores are meant for anaerobic respiration.
Maize and sugarcane contain
(a) Storage root
(b) Stilt root
(c) Pneumatophores
(d) Prop roots
Young stems are generally
(a) Woody
(b) Dark brown in color
(c) Green and photosynthetic
(d) All of these
Which of the following is correct about leaf?
(a) It has originated from root apical meristem.
(b) It is arranged in basipetal order.
(c) It arises from axillary bud.
(d) It bears a bud in its axil.
Leaf can be differentiated by
(a) Shape
(b) Margin and apex
(c) Surface
(d) All of these
Unicellular organisms are not capable of
(a) Independent existence
(b) Performing essential functions of life
(c) Both (a) and (b)
(d) None of these
Who was the first one to see a live cell?
(a) Robert Hook
(b) Leeuwenhoek
(c) Robert Brown
(d) None of these
‘Cell wall is a unique structure of plant cells’. Who concluded this?
(a) Schleiden
(b) Schwann
(c) Both (a) and (b)
(d) None of these
What does a nucleus of a typical animal cell contain?
(a) Chromosomes
(b) Genes
(c) DNA
(d) All of these
If volume of the cell is filled with semi-fluid matrix called cytoplasm, what kind of cell is it?
(a) Eukaryotic
(b) Prokaryotic
(c) Both (a) and (b)
(d) None of these
In an eukaryotic cell, where does the various chemical reactions occur to keep the cell in living
state?
(a) Nucleus
(b) Cytoplasm
(c) Mitochondria
(d) All of these
How many of the following organelles are found in prokaryotic cells?
ER, Golgi complex, Lysosome, Mitochondria, Microbodies, Vacuoles
(a) 1
(b) 3
(c) 4
(d) 0
What could be the length of bacterial cell?
(a) 3 to 5 mm
(b) 3 to 5 μm
(c) 3.5 cm
(d) None of these
The longest cells in human body are
(a) Muscle cells
(b) Cardiac muscle cells
(c) Neurons
(d) None of these
Which of the following is incorrect matching?
(a) Round and biconcave – RBC
(b) Amoeboid – WBC
(c) Elongated – Tracheid
(d) Long and narrow - Nerve cells
