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Stem develops from
Biology Botany Class 11th NEET UG NEET UG Preparation
Q. 8 of Quiz-1449 (Que-ID : 3201)
Stem develops from
- radicle
- cotyledon
- mesocarp
- plumule
Ans → (d)plumule
Explanation → Stem develops from plumule.
This question is taken from this post → Anatomy of Flowering Plants : Biology (Class 11th) Revision Test | MCQs for NEET - attemp/practice
More MCQs in - Anatomy of Flowering Plants : Biology (Class 11th) Revision Test | MCQs for NEET
Q. 1 of Quiz-1449 (Que-ID : 3194)
Quiescent centre is present in the
- apical meristem
- shoot meristem
- lateral meristem
- root meristem
Q. 3 of Quiz-1449 (Que-ID : 3196)
Which of the following is not a feature of spring wood?
- Color of the wood is light.
- Density is less.
- Cambium is active.
- Lesser number of xylary elements.
Q. 4 of Quiz-1449 (Que-ID : 3197)
In a monocot leaf
- bulliform cells are absent from the eqidermis
- veins from a network
- mesophyll is well differentiated into palisade and spongy parenchyma
- mesophyll is not differentiated into palisade and spongy parenchyma
Q. 5 of Quiz-1449 (Que-ID : 3198)
A.T.S. of a young dicot root can be distinguished from that of a young dicot stem by the presence of
- radial arrangement of xylem and phloem
- collateral arrangement of xylem and phloem
- interfascicular cambium
- intrafascicular cambium
Q. 6 of Quiz-1449 (Que-ID : 3199)
Fusifrom initial cells of cambium from
- vascular rays
- tracheary elements
- ray parenchyma
- phloem parenchyma
Q. 7 of Quiz-1449 (Que-ID : 3200)
Callose deposition is found in
- tracheids
- companion cells
- sieve areas
- phloem parenchyma
Q. 9 of Quiz-1449 (Que-ID : 3202)
Stem grows in girth due to
- outer cortical
- epidermis
- vascular cambium
- phellogen
Q. 10 of Quiz-1449 (Que-ID : 3203)
Which of the following is true about heartwood?
- They are dead but gives mechanical support to stem
- They are light in color
- They conduct water and minerals.
- 1 and 3
Q. 11 of Quiz-1449 (Que-ID : 3204)
Pith is very well developed in
- monocot root and monocot stem
- monocot root and dicot root
- dicot root and monocot stem
- monocot root and dicot stem
Q. 12 of Quiz-1449 (Que-ID : 3205)
Which of the following helps in the curling of the leaf surface?
- Bulliform cells
- Xylem tissue
- Palisade parenchyma
- Bundle sheath cells
Q. 14 of Quiz-1449 (Que-ID : 3207)
Fusifrom initial cells of cambium from
- vascular rays
- tracheary elements
- ray parenchyma
- phloem parenchyma
Q. 16 of Quiz-1449 (Que-ID : 3209)
After the secondary growth, the oldest layer of secondary phloem in a dicot stem is located
- just outside the vascular cambium
- just inside the vascular cambium
- just inside the vascular phloem
- just outside the secondary xylem
Q. 17 of Quiz-1449 (Que-ID : 3210)
The innermost layer of cortex which shows casparian thickenings in its cells is called as
- epidermis
- endodermis
- pericycle
- exodermis
Q. 18 of Quiz-1449 (Que-ID : 3211)
Vessels differ from tracheids
- in being living
- in being derived from a single cell
- in that they consist of vertical row of cells with cross walls dissolved
- in coducting water and minerals
Q. 19 of Quiz-1449 (Que-ID : 3212)
Endodermis cells are rich in
- cellulose
- starch grains
- fibers
- resins and wax
Q. 20 of Quiz-1449 (Que-ID : 3213)
Formation of secondary xylem and phloem respectively
- Centrifugal and centripetal
- Centripetal and centrifugal
- Both centripetal
- Both centrifugal
Q. 21 of Quiz-1449 (Que-ID : 3214)
Bark includes all the tissues
- Lying outside the vascular cambium
- Formed by vascular cambium
- Formed by phellogen
- Phellem & phelloderm
Q. 22 of Quiz-1449 (Que-ID : 3215)
Living tissue in lenticel is called
- Conjunctive tissue
- Connective tissue
- Complementary tissue
- Phelloderm
Q. 23 of Quiz-1449 (Que-ID : 3216)
Which among the following are elongated or tube like cells with thick and lignified walls and tapering ends?
- Xylem fibres
- Xylem parenchyma
- vessels
- Tracheids
Q. 24 of Quiz-1449 (Que-ID : 3217)
Which of the following provide maximum mechanical strength to a tree trunk.
- Heart wood
- Sap wood
- Cork
- Late wood
Q. 25 of Quiz-1449 (Que-ID : 3218)
Vessels and companion cells are respectively present in the xylem and phloem of
- Gymnosperm
- Pteridophytes
- Angiosperm
- Bryophyta
More MCQs In - Biology Botany Class 11th NEET UG NEET UG Preparation
Q. 12 of Quiz- (Que-ID : 2805)
The function of vagus nerve innervating the heart is to
- Initiate the heart beat
- Reduce the heart beat
- Accelerate the heart beat
- Maintain constant heart beat
Q. 9 of Quiz- (Que-ID : 3102)
Mineral salts which are absorbed by the roots from soil are in the form of
- Dilute solution
- Very concentrated solution
- Concentrated solution
- Very dilute solution
Q. 18 of Quiz- (Que-ID : 3111)
Which element is required for opening and closing of stomata?
- P
- K
- Ca
- Na
Q. 19 of Quiz- (Que-ID : 3537)
Act formulated in 1996 was
- Insecticide Act
- Air (Prevention and Control of Pollution) Act
- Water (Prevention and control of Pollution) Act
- Environment protection Act
Q. 13 of Quiz- (Que-ID : 2626)
Fructose are transported by which mechanism
- Passive transport
- Active transport
- Diffusion
- Facilitated diffusion
Q. 16 of Quiz- (Que-ID : 3459)
Habitat together with functions of a species constitute its:
- Topography
- Trophic level
- Boundary
- Ecological niche
Q. 21 of Quiz- (Que-ID : 2689)
What does P wave indicate
- Depolarisation of atria
- repolarisation
- Depolarisation of ventricle
- None of the above
Q. 16 of Quiz- (Que-ID : 3109)
Toxicity of which element leads to the appearance of brown spots on leaves
- Mg
- Mn
- Fe
- Cu
Q. 14 of Quiz- (Que-ID : 3107)
Insectivorous plants grow where
- There is carbohydrate deficient soil
- There is nitrogen deficient soil
- Vitamin c is required
- Hormones are required
Q. 24 of Quiz- (Que-ID : 3292)
Bioluminescence is a phenomenon associated with
- chrysophyta
- phaeophyta
- pyrrophyta
- chlorophyta
Q. 7 of Quiz- (Que-ID : 2825)
In maize, a meiocyte has 20 chromosomes. What will be the number of chromosomes in its somatic cell?
- 40
- 30
- 20
- 10
Q. 8 of Quiz- (Que-ID : 2621)
Which enzyme converts polysaccharides into disaccharides
- Amylases
- Lipases
- Salivary amylase
- None of the above
Q. 9 of Quiz- (Que-ID : 2952)
If the sequence of initrogen bases of the coding strand of DNA in a transcription unit is: 5’ – ATGAATG – 3’, the sequence of bases in its RNA transcript would be
- 5’ – AUG A AUG – 3’
- 5’ – UACUU AC – 3’
- 5’ – CAUUCAU – 3’
- 5’ – GUAAGUA – 3’.
Q. 3 of Quiz- (Que-ID : 2946)
The human chromosome with the highest and least number of genes in them are respectively
- chromosome 21 and Y
- chromosome 1 and X
- chromosome 1 and Y
- chromosome X and Y
Q. 14 of Quiz- (Que-ID : 3132)
Choose the correct sequence of water movement in the plants.
- Cortex, protoxylem, endodermis, root hair, pericycle, metaxylem
- Root hair, cortex, endodermis, pericycle, protoxylem, metaxylem
- Root hair, protoxylem, metaxylem, pericycle, cortex, endodermis
- Root hair, pericycle, endodermis, cortex, protoxylem, metaxylem
Q. 15 of Quiz- (Que-ID : 2628)
Maltase converts maltose into
- glucose+ glucose
- Glucose + fructose
- Glucose + galactose
- Fatty acids+ glycerol
Q. 20 of Quiz- (Que-ID : 3388)
Methanogens, growing anaerobically on cellulosic material produce
- methane
- methane and carbon dioxide
- methane and hydrogen
- methane, carbon dioxide and hydrogen
Q. 20 of Quiz- (Que-ID : 3288)
Pinus differs from mango in having
- Tree habit
- Green leaves
- Ovules not enclosed in ovary
- Wood
Q. 25 of Quiz- (Que-ID : 3018)
The number of chromosome and the amount of DNA are changed in
- Metaphase and M phase
- Anaphase and S phase
- Interphase and S phase
- None of these
Q. 13 of Quiz- (Que-ID : 2781)
The study of fish is called
- Ophiology
- Herpetology
- ichthyology
- pisiculture
Q. 9 of Quiz- (Que-ID : 3027)
Which one of the followings is a gaseous plant hormone?
- Ethylene
- Gibberellin
- IAA
- Abscisic acid
Q. 18 of Quiz- (Que-ID : 2886)
The best way to decrease population of a country is
- to educate people
- to have better houses
- to kill people on a large scale
- to practice and implement familay planning
Q. 20 of Quiz- (Que-ID : 3188)
Which is not a part of reproductive system of female cockroach?
- Phallic gland
- Vestibulum
- Gonapophyses
- Collaterial glands
Q. 6 of Quiz- (Que-ID : 2924)
Which of the following crosses will give tall and dwarf pea plants in same proportions ?
- TT × tt
- Tt × tt
- TT × Tt
- tt × tt
Q. 24 of Quiz- (Que-ID : 3317)
The primate which existed 15 mya was
- Homo habilis
- Australopithecus
- Ramapithecus
- Homo erectus
Q. 9 of Quiz- (Que-ID : 3327)
Hepatitis B is transmitted through
- sneezing
- female Anopheles
- coughing
- blood transfusion
Q. 5 of Quiz- (Que-ID : 2748)
Chemical name of T4 is
- Tetradiodothyronine
- Tridiodothyronine
- Tetraiodothyronine
- Triiodothyronine
Q. 13 of Quiz- (Que-ID : 3431)
The Ti plasmid used in genetic engineering is obtained from:
- Bacillus thruingiensis
- E. Coii
- Agrobacterium hizogenes
- Agrobacterium tumefaciens
Q. 1 of Quiz- (Que-ID : 2844)
The anther wall consists of four wall layers where
- tapetum lies just inner to endothecium
- middle layers lie between endothecium and tapetum
- endothecium lies inner to middle layers
- tapetum lies next to epidermis
Q. 19 of Quiz- (Que-ID : 3362)
The term ‘apiculture’ refers to
- tissue culture
- pisciculture
- bee-keeping
- animal-keeping
Q. 15 of Quiz- (Que-ID : 2733)
Whittakers definition of classification does not include
- Algae
- Protista
- Plantae
- mychota
Q. 9 of Quiz- (Que-ID : 3102)
Mineral salts which are absorbed by the roots from soil are in the form of
- Dilute solution
- Very concentrated solution
- Concentrated solution
- Very dilute solution
Q. 9 of Quiz- (Que-ID : 3152)
Which of the following influence feedback inhibition of enzyme?
- End product
- External factors
- Enzyme
- Substrate
Q. 13 of Quiz- (Que-ID : 2806)
Which of the following nerves is the largest of all the cranial nerves?
- Abducens nerve
- Oculomotor nerve
- Olfactory nerve
- Trigeminal nerve
Q. 15 of Quiz- (Que-ID : 3108)
Phytotron is meant for
- Controlled humidity
- Induction of mutations
- Controlled irradiation
- Growing plants under controlled environment
Q. 20 of Quiz- (Que-ID : 2713)
Length of which band get reduced during contraction
- A band
- I band
- Z line
- C band
Q. 24 of Quiz- (Que-ID : 2993)
Vasa recta is present in which type of nephron
- Cortical nephron
- Juxta medullary nephron
- Both a and b
- None of the above
Q. 9 of Quiz- (Que-ID : 2702)
Name a disorder which occurs due to rapid spasm in muscles due to low ca2+ in body fluid
- Tetany
- Arthritis
- Myasthenia gravis
- Gout
Q. 14 of Quiz- (Que-ID : 2627)
Which is not present in bile juice
- Bile pigments
- Enzymes
- Bile salts
- Cholesterol
Q. 24 of Quiz- (Que-ID : 3167)
The introduction of t-DNA into plants involves
- Altering the pH of the soil, then heat shocking the plants
- Exposing the plants to cold for a brief period
- Allowing the plant roots to stand in water
- Infection of the plant by Agrobacterium tumefaciens
Q. 6 of Quiz- (Que-ID : 3199)
Fusifrom initial cells of cambium from
- vascular rays
- tracheary elements
- ray parenchyma
- phloem parenchyma
Q. 12 of Quiz- (Que-ID : 3230)
Srem modified to perform the function of a leaf and having many internodes is called as
- phylloclade
- cladode
- offset
- phyllode
Q. 16 of Quiz- (Que-ID : 2909)
The third stage of parturition is called “after-birth”. In this stage
- excessive bleeding occurs
- fetus is bom and cervix and vagina contraction to normal condition happens
- fetus is bom and contraction of uterine wall prevents excessive bleeding
- placenta is expelled out
Q. 5 of Quiz- (Que-ID : 3223)
Which one of the following plants dose not have root – pockets
- Pistia
- Lemna
- Ficus
- Eichhornia
Q. 22 of Quiz- (Que-ID : 3490)
Which types of the following pyramid are never inverted?
- Pyramid of energy
- Pyramid of biomass
- Pyramid of number
- Pyramid of dry biomass
Q. 4 of Quiz- (Que-ID : 3172)
Choose the incorrect statement.
- Vascular system of frog is closed type.
- Frogs have 4-chambered heart.
- During aestivation and hibernation, skin acts as respiratory organ.
- All the statements are correct
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