Description : At which stage in its life cycle, does the silk worm yield the fibre of commerce? (1) Egg (2) Larva (3) Pupa (4) Imago
Last Answer : (3) Pupa Explanation: The eggs hatch into worms in a few weeks, and then the cycle repeats itself. Silkworms go through four stages of developmen
Description : At which stage in its life cycle does the silkworm yield the fiber of commercial use - (1) Larva (2) Egg (3) Pupa (4) Imago
Last Answer : (3) Pupa Explanation: It is during the pupa or cocoon stage that the silkworm yields the fiber of commercial use. As the silkworm prepares topupate, it spins a protective cocoon. About the size and color ... , perhaps 1.5 km long (nearly a mile). The silk cocoon serves as protection for the pupa.
Description : At which stage in its life cycle does the silkworm yield the fiber of commercial use (1) Larva (2) Egg (3) Pupa (4) Imago
Last Answer : Pupa
Description : Silk is produced by – (1) Egg of a silkworm (2) Pupa of silkworm (3) Larva of silkworm (4) Insect itself
Last Answer : (3) Larva of silkworm Explanation: Silk is a natural protein fibre, some forms of which can be woven into textiles. The protein fibre of silk is composed mainly of fibroin and produced by certain ... known type of silk is obtained from the cocoons of the larvae of the mulberry silkworm Bombyx mori.
Description : Silk is produced by (1) Egg of silkworm (2) Pupa of silkworm (3) Larva of silkworm (4) Insect itself
Last Answer : (3) Larva of silkworm
Description : Silk is produced by (1) Egg of a silkworm (2) Pupa of silkworm (3) Larva of silkworm (4) Insect itself
Last Answer : Larva of silkworm
Description : At which stage does the silk worm yield the fibre of commerce?
Description : Damaging stage of potato tuber month is –a) Adult b) Pupa c) Larva d) All of these
Last Answer : c) Larva
Description : The material known in commerce as Terylene is a – (1) Synthetic fibre (2) Natural fibre (3) Modified natural fibre (4) Blend of cotton and silk
Last Answer : (1) Synthetic fibre Explanation: Terylene is the name for a synthetic polyester fibre. It is a synthetic polyester fibre or fabric based on terephthalic acid, characterized by lightness and crease resistance and used for clothing, sheets, ropes, sails, etc.
Description : The material known in commerce as Terylene is a (1) Synthetic fibre (2) Natural fibre (3) Modified natural fibre (4) Blend of cotton and silk
Last Answer : Synthetic fibre
Description : Do lady bugs need water during their pupa stage?
Last Answer : During the pupa stage, lady bugs should be provided a source ofwater. As they are a form of life, they must have the necessaryresources to survive at all stages of their life. This includeswater, leaves, food, and other environmental necessities.
Description : Silk is produced by (a) adult moth (b) cocoon (c) larva (d) both (a) and (c).
Last Answer : (c) larva
Description : The silkworm silk is the product of (a) salivary gland of the larva (b) salivary gland of the adult (c) cuticle of the larva (d) cuticle of the adult.
Last Answer : a) salivary gland of the larva
Description : Which one of the following phyla is correctly matched with its two general characteristics? (a) Echinodermata - pentamerous radial symmetry and mostly internal fertilization (b) Mollusca - normally ... Chordata - notochord at some stage and separate anal and urinary openings to the outside.
Last Answer : (c) Arthropoda - body divided into head, thorax and abdomen and respiration by tracheae
Description : title : larva stage _ Is it better to say in simple language ?
Last Answer : In simple terms from the point of view of biology , the early stage of a baby hatching from the egg of an animal is called larva stage .
Description : Is the stage when an insect larva is within a cocoon a stage of total biological inactivity?
Last Answer : The period when the larva is within its cocoon is a time of intense biological activity since the larva is being transformed into an adult animal.
Description : What is the name of the larva of corals and sea anemones? What is the biological importance of that larval stage?
Last Answer : Sexual reproduction in corals and sea anemones have a larval stage and the larva is called planula. Many marine animals are sessile or practically sessile, like sponges, corals and sea ... stage of their life cycle provides better spatial distribution of these species. Image Diversity: planula
Description : What are nymph and imago?
Last Answer : Nymphs are larvae of hemimetabolic insects (like grasshoppers). They are very similar to the adult insect although smaller. In holometabolic insects (like butterflies) the larva makes a cocoon (chrysalis, ... adult form. Imago is the name given to the adult form of insects with indirect development.
Description : How is silk fibre-derived and where are silk worms reared? -SST 10th
Last Answer : Silk fibre is derived from the cocoons made by silk worms. Silk worms are reared on mulberry trees.
Description : How is silk fibre derived and where are silk worms reared? -SST 10th
Description : Which synthetic fibre is known as artificial silk? -Do You Know?
Last Answer : Rayon is the answer
Description : Which of the following fibres is considered as the stron est natural fibre? (1) Cotton (2) Jute (3) Wool (4) Silk
Last Answer : (4) Silk Explanation: Ultrastrong spider silk is one of the toughest natural fibers known in nature. The light, flexible fiber is five times stronger by weight than high-grade steel and extremely stretchy, enlarging to snag incoming insects and other prey.
Description : Which is not a natural fibre? (1) Linen (2) Silk (3) Jute (4) Nylon
Last Answer : (4) Nylon Explanation: Jute is a long, soft, shiny vegetable fiber that can be spun into coarse, strong threads. "Nylon" is not a natural fibre. It is a synthetic fibre.
Description : Silk fibre chemically is – (1) Carbohydrate (2) Fat (3) Protein (4) Cellulose
Last Answer : (3) Protein Explanation: Silk is a natural protein fibre, some forms of which can be woven into textiles. The protein fibre of silk is composed mainly of fibroin and produced by ... fibre, which allows silk cloth to refract incoming light at different angles, thus producing different colours.
Description : Which synthetic fibre is known as artificial silk?
Last Answer : Rayon
Description : Which of the following is not a natural fibre? (A) Silk (B) Viscose rayon (C) Wool (D) Cotton
Last Answer : (B) Viscose rayon
Description : Which of the following is a natural polyamide fibre? (A) Wool (B) Silk (C) Cotton
Last Answer : (A) Wool
Description : Which synthetic fibre is known as artificial Silk? A. Nylon B. Rayon (Answer) C. Cotton D. Terylene
Last Answer : B. Rayon (Answer)
Description : Which is also known as golden fibre? a. Cotton b. Wheat c. Silk d. Oats e. Jute
Last Answer : e. Jute
Description : Example of natural plant fibre: a. Silk b. Cotton c. Viscose rayon d. Polyester
Last Answer : b. Cotton
Description : 1. Which was the only President of India who elected unopposed? 2. Which is not plantation crop ? 3. Who laid the foundation of Rashtrakuta Empire ? 4. Which synthetic fibre is known as ... In which year were the first general elections in India held? 20. All acids contain which element?
Last Answer : Answer : 1. Neelam Sanjiva Reddy 2. Sugarcane 3. Dantidurga 4. Rayon 5. 11 6. Central Bank 7. Likely to be annular 8. Portuguese 9. Xerophytes 10. President 11. Power 12. 40,000 Km 13. Kalinjar ... Hague 15. April 26 16. 33.3% 17. Pressure gradient force 18. Treaty of Yandaboo 19. 1951 20. Hydrogen
Description : Which of the following fibres is considered as the strongest natural fibre? (1) Cotton (2) Jute (3) Wool (4) Silk
Last Answer : Silk
Description : Silk fibre chemically is : (1) Carbohydrate (2) Fat (3) Protein (4) Cellulose
Last Answer : Protein
Last Answer : Lays 350 to 400 eggs.
Description : Viscose rayon (A) Cannot be made from sulphite pulp (B) Utilises H2SO4 , NaOH and CS2 during its manufacture (C) Cannot yield textile grade fibre (D) None of these
Last Answer : (B) Utilises H2SO4 , NaOH and CS2 during its manufacture
Description : Some of the characteristics of Bt cotton are (a) long fibre and resistance to aphids (b) medium yield, long fibre and resistance to beetle pests (c) high yield and production of toxic protein crystals which kill dipteran pests (d) high yield and resistance to bollworms.
Last Answer : (d) high yield and resistance to bollworms.
Description : The yield moment of a cross section is defined as the moment that will just produce the yield stress in (A) The outer most fibre of the section (B) The inner most fibre of the section (C) The neutral fibre of the section (D) The fibre everywhere
Last Answer : (A) The outer most fibre of the section
Description : Pick out the correct match: (1) Fleshy foods-Calcium and Protein (2) Fish - Starch and Vitamin (3) Milk Fibre and Minerals (4) Egg yolk Protein and Fat
Last Answer : (4) Egg yolk Protein and Fat Explanation: An egg yolk is a part of an egg which feeds the developing embryo. As a food, yolks are a major source of vitamins and minerals. They contain all of the egg's fat and cholesterol, and about one-half of the protein.
Description : Pick out the correct match: (1) Fleshy foods – Calcium and Protein (2) Fish – Starch and Vitamin (3) Milk – Fibre and Minerals (4) Egg yolk – Protein and Fat
Last Answer : Egg yolk – Protein and Fat
Description : Ideal stage of jute harvesting for fibre purpose
Last Answer : Ans.Small pod stage/initiation of pod formation (135-140 DAS)
Description : Name the four stages in the lifecycle of a silk moth. Explain each stage. -Science-7
Last Answer : Silk moth is a large white insect .The different stages in the life cycle of silk moth are- Egg- it is the first stage of the life cycle .The female moth lays its eggs during the summer.The egg ... changes into a moth which comes out of the cocoon. The female adults lay egg and the cycle continues.
Description : Silk thread is obtained from silk moth during (a) pupal stage (b) larval stage (c) nymph stage (d) adult stage.
Last Answer : (a) pupal stage
Description : This first step inthe transaction processing cycle captures businessdata throughvarious modes suchas optical scanning orat an electronic commerce website– (A) Document and report generation (B) Database maintenance (C) Transaction processing startup (D) Data Entry
Last Answer : Data Entry
Description : Which of the following are advantages normally associated with B2B e‐commerce? a. Shorter cycle times b. Reduction in costs c. Reaches wider audiences d. all of the above
Last Answer : d. all of the above
Description : At yield point' of a copper wire A. the load hasn't exceeded the elastic limit yet; so, Hooke's law applies B. the load has already exceeded the elastic limit and the material has become ... stage has passed and the wire has snapped already D. Like Brass and Bronze, Copper has no yield poin
Last Answer : the load has already exceeded the elastic limit and the material has become plastic