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 : Interveinal necrotic spots on leaves appear due to – (1) HF injuly (2) SO2 injury (3) NO2 injury (4) O3 injury
Last Answer : (2) SO2 injury Explanation: Injury caused by sulphur oxides show interveinal necrotic areas that are light tan to white. Uninjured tissue new to the veins remains green.
Description : Interveinal necrotic spots on leaves appear due to (1) HF injury (2) SO2 injury (3) NO2 injury (4) O3 injury
Last Answer : SO2 injury
Description : Intervenous chlorosis is caused due to the deficiency of— (A) N (B) Mg(C) S (D) Fe
Last Answer : (D) Fe
Description : What is Chlorosis ?
Last Answer : The process of yellowing of leaves due to lack of chlorophyll is called chlorosis.
Description : Chlorosis results from deficiency of
Last Answer : Chlorosis results from deficiency of A. Chlorine B. Sodium C. Calcium D. Magnesium
Description : $ Chlorosis means destruction or the loss of chlorophyll pigments. Chlorosis cause geotropism
Last Answer : $ Chlorosis means destruction or the loss of chlorophyll pigments. Chlorosis cause geotropism A. If both As and ... D. If both As and R are wrong.
Description : Exposure of plants to high fluoride concentration results in necrosis or chlorosis characteristically in
Last Answer : Exposure of plants to high fluoride concentration results in necrosis or chlorosis characteristically in A. ... and leaf margins D. Stem tips only
Description : For correction of iron chlorosis in rice, following spray is recommended
Last Answer : Ans.1%solution of ferrous sulphate
Description : Zinc deficiency is sweet orange causes a. Chlorosis in fruit b. Chlorosis in leaves c. Streaks on leaves d. sweetness of fruit.
Last Answer : Chlorosis in leaves
Description : Although a deficiency of any one of the elements listed may result in chlorosis, only one of these elements is an element found in chlorophyll. Which is it?(a) Zinc (b) Iron (c) Magnesium (d) Chloride
Last Answer : (c) Magnesium
Description : Which of the following is not caused by deficiency of mineral nutrition? (a) Etiolation (b) Shortening of internode (c) Necrosis (d) Chlorosis
Last Answer : a) Etiolation
Description : If you have Chlorosis what colour does the skin go
Last Answer : Green
Description : The temperature at which highest percentage of seed germination occurs in short period of time
Last Answer : Ans. Optimum temperature
Description : Photorespiration occurs only in
Last Answer : Ans. Chlorophyllous cells
Description : Photorespiration occurs in
Last Answer : Ans. Night
Description : Kreb cycle and ETC occurs in
Last Answer : Ans. Mitochondria
Description : Glycolysis occurs in
Last Answer : Ans. Cytoplasm
Description : Photosynthesis active radiation (PAR) occurs at
Last Answer : Ans. 400-700 nm
Description : The unit in which mutation occurs
Last Answer : Ans. Muton
Description : Pollination and fertilization occurs before opening of flower is termed as
Last Answer : Ans. Cleistogamy
Description : Chiasmata occurs at
Last Answer : Ans. Diplotene stage
Description : The variation due to uncontrolled factors
Last Answer : Ans. Experimental error
Description : Risks arise due to changes in Government policies are termed as a
Last Answer : Ans. Institutional risk
Description : Irritation of eye due to cutting onion is due to presence of
Last Answer : Ans. Pyruvic acid (IV) ORNAMENTAL HORTICULTURE
Description : Pungency of onion is due to
Last Answer : Ans. Allyl Propide di-sulphide
Description : Pungency in garlic is due to
Last Answer : Ans. Alicin, Allinase
Description : Anti-cancer property of cabbage is due to
Last Answer : Ans. Indole-3-Cardinal
Description : Bitterness in cucumber is due to
Last Answer : Ans. Metaxenia
Description : Fruit cracking of tomato is due to
Last Answer : Ans. B deficiency (2) Brinjal
Description : Blossom end rot of tomato is due to
Last Answer : Ans. Ca deficiency
Description : Discolouration of apple after cutting is due to
Last Answer : Ans. Enzymes
Description : Redness in apple is due to
Last Answer : Ans. Anthocyanin
Description : Red pigment in litchi is due to
Description : Internal fruit necrosis is due to
Last Answer : Ans. Boron deficiency (2) Guava
Description : Spongy tissue is due to
Last Answer : Ans. Convection heats
Description : Damping off of chilly seedlings is due to
Last Answer : Ans. Pithium sp
Description : Damping off of Brinjal seedlings is due to
Last Answer : Ans. Pithium sp (15) Other Vegetable Diseases
Description : Mottle leaf of citrus is due to deficiency of
Last Answer : Ans. Zinc
Description : Which pathogen caused heavy losses to wine industry in France due to its epidemics in 1875?
Last Answer : Ans. Plasmopara viticola
Description : Black arm or bacterial blight is due to
Last Answer : Ans. Xanthomonas compestris
Description : The foul smell of kernel bunt infected field is due to
Last Answer : Ans. Trimethyl-amine
Description : Opening and closing of stomata are due to its
Last Answer : Ans. Turgidity and faccidity
Description : Upward translocation of fluid in xylem takes place due to
Last Answer : Ans. Pull of transpiration stream
Description : The hydrostatic pressure developed due to the accumulation of water absorb by the root is called root pressure.
Last Answer : Ans. Root pressure
Description : The hydrostatic pressure generated within the cell against cell wall as a result of entry of water into it, due to osmosis.
Last Answer : Ans. Turgor pressure
Description : Shrinkage of protoplasm due to outward flow of water (exosmosis) in a concentrate solution.
Last Answer : Ans. Plasmolysis
Description : The dormancy due to low temperature and moisture conditions
Last Answer : Ans. Stratification
Description : The dormancy due to hard seed coat or impermeable seed coats
Last Answer : Ans. Scarification
Description : Disease caused due to deficiency of vitamin K
Last Answer : Ans. Non-coagulation of blood