Sphenopteris hoeninghausii is the….. a)stem b)root c)leaves d)ovule

Sphenopteris hoeninghausii is the…..
a)stem b)root c)leaves d)ovule
by

1 Answer

Answer :

c)leaves
by

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Root of L.oldhamia is called as…. a) Sphenopteris hoeninghausii b)Kaloxylon hookeri c)Lagenostoma lomaxii d)Rachiopteris aspera

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Last Answer : b)Kaloxylon hookeri

The ovule in which embryo sac become horse shoe shaped in: (a) Amphitropous (b) Camphylotropous (c) Orthotropous (d) Anatropous Ans. (a) ......................................................---------------------------......................................................................... BOTANY PRACTICE TEST SAMPLE QUESTIONS 1. Caruncle develops-from: (a) Outer integument (b) Ctyledon (c) Funiculus (d) Inner integuments

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The ovuliferous scale of Pinus is a part of ........... a) megasporophyll b) microsporophyll c) ovule d) dwarf shoot.

Description : The ovuliferous scale of Pinus is a part of ........... a) megasporophyll b) microsporophyll c) ovule d) dwarf shoot.

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When polyembryony is due to activation of some sporophytic cells of ovule, it is called as

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Last Answer : When polyembryony is due to activation of some sporophytic cells of ovule, it is called as – Adventive polyembryony

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Description : The most primitive type of ovule is found in

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Describe the structure of ovule with the help of neat labeled diagram

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Description : Arrangement of leaves on a stem branch is: (a) Venation (b) Venation (c) Ptyxis (d) Phyllotaxy

Last Answer : Ans. ((d))

Aerosols having carbon and fluorine compounds are chiefly released by: (a) Refineries (b) Automobiles (c) Industries (d) Jets 3. Coir of commerce is obtained from: (a) Endocarp of coconut (b) Mesocarp of coconut (c) Stem of jute (d) Leaves of coconut

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Stem tailed drill seen in which plant ?

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What are the totiptent stem cells of plants ?

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Stomata in bryophytes are present in the of: (a) Capsule (b) Leaf (c) Stem (d) Seta

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Last Answer : Ans. ((c))

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Last Answer : c) seed is naked

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Last Answer : Ans: Off-set is the sub-aerial modified stem seen in free floating hydrophytes. It is brittle and has leaves and roots at its only node. When broken accidentally, it is separated from parent plant and can lead independent life.  

Which aerial stem modification is concerned with vegetative propagation? Give two examples.

Description : Which aerial stem modification is concerned with vegetative propagation? Give two examples. 

Last Answer : Ans: Bulbils. Ex: Agave americana, Dioscoria bulbifera 

Which underground stem modification does not possess roots? Mention its scientific name.

Description : Which underground stem modification does not possess roots? Mention its scientific name. 

Last Answer : Ans: Stem tuber is the underground stem modification that does not possess roots. Solanum tuberosum is its scientific name.  

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Tissue culture is a good technique to a) Cross two varieties b) Rapidly increase the size of a trees by strengthening the stem c) Eliminate virus d) Improve yield of crops

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Last Answer : c) Eliminate virus 

What is the upper part of the embryonic root called ?

Description : What is the upper part of the embryonic root called ?

Last Answer : The upper part of the embryonic root is called the hypocotyl.

Which hormone is applied to the root of a plant ?

Description : Which hormone is applied to the root of a plant ?

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Which of the following propagates through the root ?

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How do plants absorb water through root hairs ?

Description : How do plants absorb water through root hairs ?

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What kind of radish root ?

Description : What kind of radish root ?

Last Answer : Radish ( Raphanus raphanistrum subsp. sativus) is a staple vegetable.

What if the tip of the root swells with food ?

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Last Answer : When the tip of the root is swollen by storing food, it is called kandal.

What is the non-transplanted root of bot tree ?

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The hypogeal germination is found in: (a) Bean (b) Maize (c) Rhizophora (d) Cucurbita Ans. (b) Directions: In the following questions more than one answer given may be correct select the correct answers according to the code— Code— (a) 1, 2 and 3 are correct (b) 1 and 2 are correct (c) 1, 2 and 4 are correct (d) 1 and 3 are correct 26. Which of following matched correctly? (1) Piper—Climbing root (2) Ficus—Climbing root (3) Buttress root—Bombax (4) Vitis—Nodulated root

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In onion, the swollen underground structure is: (a) Root (b) Rhizome (c) Bulb (d) Tuber

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Development of shoot and root is determined by: (a) Cytokinin and auxin ratio (b) Enzymes (c) Temperature (d) Plant nutrients

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Haploid plants can be obtained from: (a) Leaf culture (b) Bud culture (c) Root culture (d) Anther culture

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Primary root is: (1) Positively geotropic (2) Positive hydrotropic (3) Negative geotropic (4) Negative hydrotropic

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Last Answer : Ans. ((b))

Decot root having more than six vascular bundles are found in (a) Pea (b) Sunflower (c) Ficus (d) Ranunculus

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Select the correct statement: (a) Legumes are incapable of fixing nitrogen (b) Legumes fix nitrogen through bacteria living in fruits root (c) Legumes fix nitrogen only by bacteria present in nodules (d) None of the above

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Last Answer : Ans. (c)

Root cap is not found n: (a) Mesophytes (c) Hydrophytes (b) Xerophytes (d) Halophytes

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Last Answer : Ans. ((c))

In roots, mitotically and metabolically inactive cells that are positioned just behind the root cap are called as

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Last Answer :  In roots, mitotically and metabolically inactive cells that are positioned just behind the root cap are called as – Quiescent center

Root apical meristem is best explained by

Description : Root apical meristem is best explained by

Last Answer : Root apical meristem is best explained by – Histogen theory

What is a complete root parasite? Give an example.

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Last Answer : Ans: A complete parasite is achlorophyllous, establishes haustorial connection with both xylem and Phloem of the host to absorb both mineral water and organic food materials from the host plant. Ex: Orobanche

Mycorrhizae is associated with the following a) Formation of root nodules b) Hyphae penetrating the soil c) Found mostly in lower plants d) Soil erosion

Description : Mycorrhizae is associated with the following a) Formation of root nodules b) Hyphae penetrating the soil c) Found mostly in lower plants d) Soil erosion

Last Answer : a) Formation of root nodules

Root suckers are a) Insects that suck nutrients from the roots of plants b) Shoots that arise from roots to form new plant c)New plant parts that arise from the branches of fruit trees d) Roots of neighboring plants that share water with the another plant

Description : Root suckers are a) Insects that suck nutrients from the roots of plants b) Shoots that arise from roots to form new plant c)New plant parts that arise from the branches of fruit trees d) Roots of neighboring plants that share water with the another plant

Last Answer : b) Shoots that arise from roots to form new plant

$ Tap root arises from the radicle of seed. ! Radical leaves arise from the reduced stem.

Description : $ Tap root arises from the radicle of seed. ! Radical leaves arise from the reduced stem.

Last Answer : $ Tap root arises from the radicle of seed. ! Radical leaves arise from the reduced stem. A. If both As ... R is wrong D. If both As and R are wrong.

Where does the cabbage store food? (1) Leaves (2) Stem (3) Fruit (4) Root

Description : Where does the cabbage store food? (1) Leaves (2) Stem (3) Fruit (4) Root

Last Answer : (1) Leaves Explanation: Cabbages have no need to store food as they are seasonal plants and die after about 4 to 6 months. They do however produce food in the leaves of the plants and would utilize short-term storage (in the leaves) for simple metabolic processes.

Clove is obtained from – (1) Root (2) Stem (3) Leaves (4) Flower buds

Description : Clove is obtained from – (1) Root (2) Stem (3) Leaves (4) Flower buds

Last Answer : (4) Flower buds Explanation: Cloves are obtained from the aromatic flower buds of a tree in the family Myrtaceae, Syzygium aromaticum. Cloves ate the dried unopened flower buds and calyx tubes, harvested ... have opened, of the clove tree. Cloves are collected when the flower bud is not yet open.

In onion food is stored in (1) aerial stem (2) root (3) scale leaves (4) bud

Description : In onion food is stored in (1) aerial stem (2) root (3) scale leaves (4) bud

Last Answer : (3) scale leaves Explanation: In onions, the bulbs consist of very short stems with closely packed leaves arranged in concentric circles round the stem. These leaves are swollen with stored food. ... is called as tunicated bulb since 'the concentric leaf bases form a complete covering or tunic.

Which part of the tea plant is used for making tea? (1) root (2) flower (3) Leaves (4) Stem

Description : Which part of the tea plant is used for making tea? (1) root (2) flower (3) Leaves (4) Stem

Last Answer : (3) Leaves Explanation: The tea plant is an evergreen of the Camellia family that is local to China, Tibet, and northern India. Tea is an aromatic beverage commonly prepared by pouring hot or boiling water over cured leaves of the Camellia sinensis.

Quinine, the commonly used drug to treat malaria, is obtained from a plant. What part of the plant yields the drug? (1) Leaves (2) Fruits (3) Root (4) Stem bark

Description : Quinine, the commonly used drug to treat malaria, is obtained from a plant. What part of the plant yields the drug? (1) Leaves (2) Fruits (3) Root (4) Stem bark

Last Answer : (4) Stem bark

In cauliflower plant the useful part is : (1) Underground stem (2) Root (3) Young inflorescence (4) Leaves

Description : In cauliflower plant the useful part is : (1) Underground stem (2) Root (3) Young inflorescence (4) Leaves

Last Answer : (3) Young inflorescence Explanation: Cauliflowers are characterized mainly by their heart which consists of an inflorescence composed of numerous undeveloped flowers that gather around a central axis. Cauliflower and broccoli are grown for their large, edible, very young inflorescence.

The edible part of an onion is - (1) Modified root (2) Aerial flower (3) Aerial stem (4) Fleshy leaves

Description : The edible part of an onion is - (1) Modified root (2) Aerial flower (3) Aerial stem (4) Fleshy leaves

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