X
Email me Daily Riddles
Question:- Name a disease of plant in which fine webbing occurs on undersides of the leaves? A. Spider Mites B. Anthracnose C. Mealybugs D. Rhizoctonia
Answer:- Ans. A Explanation: Spider Mites disease of plant fine webbing occurs on undersides of the leaves.
Question:- In which disease of plant stem rot at soil line with brown to red lesions? A. Rhizoctonia B. Angular leaf Spot C. Bacterial Blight D. Bacterial Spot
Answer:- Ans. A Explanation: In Rhizoctonia disease plant stem rot at soil line with brown to red lesions. From the above article we have learnt various diseases of plants, causal organisms and their symptoms.
Question:- In which form the chemical compound RDX is used? A. As an composition B. As an reactor C. As an explosive D. As an nuclear weapon
Answer:- C
Question:- As a vegetable preservative poly______ foam is used. A. Uthane B. Uriathenes C. Urathanes D. Urethanes
Answer:- D
Question:- Chemistry is a branch of science which can be used for providing the services to mankind. Comment on the statement. A. True B. False C. May Be D. Strongly not
Answer:- D
Question:- Bio-chemical compounds are used as.... A. Skin Treatments B. Food preservatives C. Cooking Oils D. All of the above
Answer:- D
Question:- Match the following: Set I a. Fertilisers b. Nuclear Bomb c. LPG d. Carbon Set I 1. Constructive and destructive matter 2. Cooking Gas 3. Curse of chemical reactions 4. Advanced process Code: a b c d A. 3 4 2 1 B. 1 2 3 4 C. 4 1 2 3 D. 2 3 4 1
Answer:- missing ANS
Question:- Tell the composition of soap? A. Sodium salt with fatty acids. B. Potassium salt with fatty acids C. Both a & b D. Sodium and Potassium salt mixed with chemicals
Answer:- C
Question:- Detergent is defined as..... A. A liquid surfactant B. A liquid soluble C. A liquid sovent D. A liquid solution
Answer:- A
Question:- Which of the following compound is not used as an an alkali? A. Sodium hydroxide B. Potassium hydroxide C. Carbon hydroxide D. Nitrogen hydroxide
Answer:- D
Question:- Define toxicity? A. A chemical reaction B. A process used in the manufacturing of detergents C. A harmful effect of soaps and detergents required to measure the effectiveness. D. A process used in the manufacturing of soaps
Answer:- C
Question:- Match the following: Set I a. A Fatty Acid b. Potassium Hydroxide c. Non-ionic Surfactants d. Neutralization Set II 1. Better Alkali 2. Process to make detergent 3. Process to make soap 4. Oil and fats Code: a b c d A. 3 4 2 1 B. 1 2 3 4 C 4 1 2 3 D. 2 3 4 1
Answer:- C
Question:- Match the following: Set I a. A Fatty Acid b. Potassium Hydroxide c. Non-ionic Surfactants d. Neutralization Set II 1. Better Alkali 2. Process to make detergent 3. Process to make soap 4. Oil and fats Code: a b c d A. 3 4 2 1 B. 1 2 3 4 C 4 1 2 3 D. 2 3 4 1
Answer:- C
Question:- Which one is not the form of Biocides? A. Salt B. Iodine C. Sugar D. Bleech
Answer:- D