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Anatomy Of Flowering Plants

324 Questions Start Errorless Test
All Exams Allen Errorless
Q301 Errorless 5. NCERT Exemplar MCQ
What is the fate of primary xylem in a dicot root showing extensive secondary growth [NCERT]
A.
It is retained in the centre of the axis
B.
It gets crushed
C.
May or may not get crushed
D.
It gets surrounded by primary phloem
Q302 Errorless 5. NCERT Exemplar MCQ
Epiblema of roots is equivalent to [NCERT Pg. No. 73]
A.
Pericycle
B.
Endodermis
C.
Epidermis
D.
Stele
Q303 Errorless 5. NCERT Exemplar MCQ
Which one of the following cell types always divides by anticlinal cell division [NCERT]
A.
Fusiform initial cells
B.
Root cap
C.
Protoderm
D.
Phellogen
Q304 Errorless 5. NCERT Exemplar MCQ
Interfascicular cambium and cork cambium are formed due to [NCERT]
A.
Cell division
B.
Cell differentiation
C.
Cell dedifferentiation
D.
Redifferentiation
Q305 Errorless 5. NCERT Exemplar MCQ
Phellogen and Phellem respectively denote [NCERT]
A.
Cork and cork cambium
B.
Cork cambium and cork
C.
Secondary cortex and cork
D.
Cork and secondary cortex
Q306 Errorless 5. NCERT Exemplar MCQ
In which of the following pairs of parts of a flowering plant epidermis is absent [NCERT]
A.
Root tip and shoot tip
B.
Shoot bud and floral bud
C.
Ovule and seed
D.
Petiole and pedicel
Q307 Errorless 5. NCERT Exemplar MCQ
How many shoot apical meristems are likely to be present in a twig of a plant possessing, 4 branches and 26 leaves [NCERT]
A.
26
B.
1
C.
5
D.
30
Q308 Errorless 5. NCERT Exemplar MCQ
A piece of wood having no vessels (trachea) must be belong to [NCERT]
A.
Teak
B.
Mango
C.
Pine
D.
Palm
Q309 Errorless 5. NCERT Exemplar MCQ
A plant tissue, when stained, showed the presence of hemicellulose and pectin in cell wall of its cells. The tissue represents [NCERT]
A.
Collenchyma
B.
Sclerenchyma
C.
Xylem
D.
Meristem
Q310 Errorless 5. NCERT Exemplar MCQ
Fibres are likely to be absent in [NCERT]
A.
Secondary phloem
B.
Secondary Xylem
C.
Primary phloem
D.
Leaves
Q311 Errorless 5. NCERT Exemplar MCQ
When we peel the skin of a potato tuber, we remove [NCERT]
A.
Periderm
B.
Epidermis
C.
Cuticle
D.
Sapwood
Q312 Errorless 5. NCERT Exemplar MCQ
A vesselless piece of stem possessing prominent sieve tubes would belong to [NCERT]
A.
Pinus
B.
Eucalyptus
C.
Grass
D.
Trochodendron
Q313 Errorless 6. Critical Thinking MCQ
If there is more than one tunica layer in a stem apex, which among the following is most likely to happen
A.
All the layers will develop into epidermal cells
B.
Only the outer layer will develop into epidermal cells
C.
All the layers will develop into cortex
D.
Inner layer develops into cortex
Q314 Errorless 6. Critical Thinking MCQ
Trees at sea do not have annual rings because
A.
Soil is sandy
B.
There is climatic variation
C.
There is no marked climatic variation
D.
There is enough moisture in the atmosphere
Q315 Errorless 6. Critical Thinking MCQ
See the following figures and identify the characters of Dicot and Monocot respectively
A.
B, C, F, H, I; and A, D, E, G, J
B.
A, C, E, G, I; and B, D, F, H, J
C.
A, D, F, H, I; and B, C, E, G, J
D.
A, C, F, H, I; and B, D, E, G, J
Q316 Errorless 6. Critical Thinking MCQ
The following diagram shows the T.S. of monocot leaf, certain parts have been indicated by alphabets. Select the option in which A, B, C, D, E, F and G have been correctly matched with the parts which they indicate[NCERT Pg. No. 76]
A.
A ā€“ Adaxial epidermis, B - Xylem, C - Stoma, D - Substomatal cavity, E ā€“ Abaxial epidermis, F ā€“ Phloem, G - Mesophyll
B.
A ā€“ Adaxial epidermis, B ā€“ phloem, C ā€“ Mesophyll, D - Sub-stomatal cavity, E ā€“ Abaxial epidermis, F ā€“ Xylem, G - Stoma
C.
A - Abaxial epidermis, B - Xylem, C ā€“ Mesophyll, D ā€“ Sub-stomatal cavity, E - Adaxial epidermis, F - Phloem, G ā€“ Stoma
D.
A ā€“ Adaxial epidermis, B ā€“ Xylem, C ā€“ Mesophyll, D - Sub-stomatal cavity, E - Abaxial epidermis, F - Phloem, G ā€“ Stomal
Q317 Errorless 6. Critical Thinking MCQ
Identify the following points A, B and C in the given diagram
A.
A - Root hair primordium, B - Root apical meristem, C - Terminal bud
B.
A - Root hair primordium, B - Root apical meristem C ā€“ Axillary bud
C.
A ā€“ Leaf primordium, B ā€“ Shoot apical meristem, C ā€“ Apical bud
D.
A ā€“ Leaf primordium, B ā€“ Shoot apical meristem, C ā€“ Axillary bud
Q318 Errorless 6. Critical Thinking MCQ
The following diagram opposite illustrates a longitudinal section through a shoot apex. Which of the figures given below shows the correct appearance of this shoot apex at the formation of the next leaf primordium [NCERT]
A.
B.
C.
D.
Q319 Errorless 7. Assertion and Reason MCQ
Assertion: Intercalary meristems increase length of plant like apical meristem. Reason: Intercalary meristem originates from the apical meristems.
A.
If both assertion and reason are true and the reason is the correct explanation of the assertion.
B.
If both assertion and reason are true but reason is not the correct explanation of the assertion.
C.
If assertion is true but reason is false.
D.
If the assertion and reason both are false.
E.
If assertion is false but reason is true.
Q320 Errorless 7. Assertion and Reason MCQ
Assertion: Xylem and phloem are also called as leptome and hadrome respectively. Reason: Xylem and phloem conduct the tissue of the plant.
A.
If both assertion and reason are true and the reason is the correct explanation of the assertion.
B.
If both assertion and reason are true but reason is not the correct explanation of the assertion.
C.
If assertion is true but reason is false.
D.
If the assertion and reason both are false.
E.
If assertion is false but reason is true.
Q321 Errorless 7. Assertion and Reason MCQ
Assertion: Cuticle is also present in lower epidermal region of the leaf. Reason: The lower epidermis contains a large number of stomata.
A.
If both assertion and reason are true and the reason is the correct explanation of the assertion.
B.
If both assertion and reason are true but reason is not the correct explanation of the assertion.
C.
If assertion is true but reason is false.
D.
If the assertion and reason both are false.
E.
If assertion is false but reason is true.
Q322 Errorless 7. Assertion and Reason MCQ
Assertion: In grasses and cereals, intercalary meristems are not present. Reason: Intercalary meristems form permanent tissues. [NCERT Pg. No. 72]
A.
If both assertion and reason are true and the reason is the correct explanation of the assertion.
B.
If both assertion and reason are true but reason is not the correct explanation of the assertion.
C.
If assertion is true but reason is false.
D.
If the assertion and reason both are false.
E.
If assertion is false but reason is true.
Q323 Errorless 7. Assertion and Reason MCQ
Assertion: Sapwood is less durable than the heartwood. Reason: Hollow tree trunks are due to the disappearance of sapwood.
A.
If both assertion and reason are true and the reason is the correct explanation of the assertion.
B.
If both assertion and reason are true but reason is not the correct explanation of the assertion.
C.
If assertion is true but reason is false.
D.
If the assertion and reason both are false.
E.
If assertion is false but reason is true.
Q324 Errorless 7. Assertion and Reason MCQ
Assertion: Growth rings are also called as annual rings. Reason: Generally growth ring is formed in each year.
A.
If both assertion and reason are true and the reason is the correct explanation of the assertion.
B.
If both assertion and reason are true but reason is not the correct explanation of the assertion.
C.
If assertion is true but reason is false.
D.
If the assertion and reason both are false.
E.
If assertion is false but reason is true.