Description : The types of stomata mostly present on lower surface of leaves
Last Answer : Ans. Potato type
Description : Stomata in bryophytes are present in the of: (a) Capsule (b) Leaf (c) Stem (d) Seta
Last Answer : Ans. ((a))
Description : Opening and closing of stomata are due to its
Last Answer : Ans. Turgidity and faccidity
Description : Stomata is found mainly on
Last Answer : Ans. Lower surface of leaves
Description : Name the tiny pores present on the surface of leaves in plants. (1) Pits (2) Stomata (3) Trichomes (4) Hydathodes
Last Answer : (2) Stomata Explanation: Stomata are pores in the surface of the leaf. The pore is surrounded by two guard cells. When these two guard cells take up water, they bend and open up the pore between them.
Last Answer : (2) Stomata Explanation: Stomata are tiny openings or pores in plant tissue that allow for gas exchange. Stomata are typically found in plant leaves but can also be found in some stems.
Last Answer : Stomata
Description : In most plants stomata on a leaf must be during open the Calvin-Benson cycle.?
Last Answer : Need answer
Description : Leaves of many grasses are capable of folding and unfolding because (1) their mesophyll is not differentiated into palisade and spongy parenchyma (2) they have stomata on both sides of the leaf (3) they have high levels of silica (4) they have specialised bulliform cells
Last Answer : (4) they have specialised bulli-form cells Explanation: Bulliform cells are large, bubbleshaped epidermal cells that occur in groups on the upper surface of the leaves of many grasses. These cells, by their turgor changes, cause rolling and unrolling of the leaves thus regulating water loss.
Description : Stomata in grass leaf are (a) dumb-bell shaped (b) kidney-shaped (c) rectangular (d) barrel-shaped.
Last Answer : (a) dumb-bell shaped
Description : List the steps of preparation of temporary mount of a leaf peel to observe stomata.
Last Answer : Answer. The steps are: i. Removal of peel from leaf. ii. Stain with safranin. iii. Put the stained peel on a clean slide. iv. Mount it with glycerine and cover slip.
Description : Stomata in grass leaf are (1) Dumb-bell shaped (2) Kidney shaped (3) Rectangular (4) Barrel shaped
Last Answer : (1) Dumb-bell shaped
Last Answer : they have specialised bulliform cells
Description : Leaf curl resistant varieties
Last Answer : Ans. Pusa Jwala, Pusa Sadabahar, Pant C-1
Description : Leaf curl of tomato is spread by
Last Answer : Ans. White fly
Description : Mottle leaf of citrus is due to deficiency of
Last Answer : Ans. Zinc
Description : Leaf curl and mosaic of papaya is caused by
Last Answer : Ans. Virus
Description : Bacterial blight/Angular leaf spot is caused by
Last Answer : Ans. Xanthmonas malvacearum (10) Sugarcane
Description : Alternaria blight or leaf spot of sunflower is caused by
Last Answer : Ans. Alternaria helianthi
Description : Late leaf spot of groundnut is caused by
Last Answer : Ans. Cercospora parsonata
Description : Early leaf spot of groundnut is caused by
Last Answer : Ans. Cercospora arachidicola
Description : Leaf spot of groundnut is also known as
Last Answer : Ans. Tikka disease
Description : The causal organism of Brown/orange/leaf rust
Last Answer : Ans. Puccinia recondita
Description : The scientific name of Sugarcane Pyrilla/Leaf hopper
Last Answer : Ans. Pyrilla purpusilla
Description : Curling of leaf upwards and yellowing of terminal cotton shoots is a characteristics symptom of presence of
Last Answer : Ans. Cotton Aphid
Description : The vector of leaf curl virus
Last Answer : Ans. White Fly (Bemisia tabaci)
Description : The scientific name of Groundnut Leaf minor
Last Answer : Ans. Stomoperyx nertaria (8) Mustard
Description : The scientific name of Green Leaf hopper (GLH)
Last Answer : Ans. Nephotetrix nigropictus
Description : Upper leaves will show chlorosis on midrib, veins green and dead spots occur in all parts of leaf (veins, tips and margins) show
Last Answer : Ans. Zn deficiency
Description : Dia back and Little leaf disease in Citrus shows
Last Answer : Ans. Cu deficiency
Description : Cereal crops show ‘V’ shaped pale yellowing at lower leaf tips due to deficiency of
Last Answer : Ans. N
Description : Green leaf manuring crops
Last Answer : Ans. Karanj and Ipomea
Description : Anisocytic stomata are present in (A) Senna (B)Digitalis (C) Belladonna (D) Coca
Last Answer : (C) Belladonna
Description : In Pinus plant, stomata are a. Sunken b. Bulged out c. Absent d. Rarely present
Last Answer : a. Sunken
Description : The surface tension of water is at 25°C
Last Answer : Ans. 72.7 dyne/cm2
Description : The attraction of solid surface for water molecules is called as
Last Answer : Ans. Adhesion
Description : The weight of one hectare of surface soil (O-15 cm) in kilograms
Last Answer : Ans. 2.24×10 6 kg/ha
Description : The fine earth covering land surface acts as a reservoir of nutrients and water
Last Answer : Ans. Soil
Description : Which surface has least Albedo?
Last Answer : Ans. Moist black soil
Description : North of the equator, surface winds are known as
Last Answer : Ans. Northeast trade winds
Description : A process of deciding in the present what to do in the future about the best combination of crops and live stock to be raised
Last Answer : Ans. Farm Planning
Description : Present value of future investment is calculated by
Last Answer : Ans. Discounting
Description : Toxic substance present in colocasia
Last Answer : Ans. Ca oxalate
Description : Active ingredient present in Bael
Last Answer : Ans. Marmelosin
Description : Enzyme present in dried latex of papaya
Last Answer : Ans. Pepsin
Description : The Casparian strip is present in
Last Answer : Ans. Endosmosis
Description : The form of DNA present in living organisms
Last Answer : Ans. B-form
Description : The most abundant protein present in the world
Last Answer : Ans. Rubisco
Description : Glycogen present in
Last Answer : Ans. Animal cell
Description : Ozone layer is present in
Last Answer : Ans. Stratosphere zone (20-48 km)