Lac is produced from (1) a tree (2) an insect (3) an cat (4) a muskrat

1 Answer

Answer :

 an insect

Related questions

Description : Lac is produced from - (1) atree (2) an insect (3) an cat (4) amuskrat

Last Answer : (2) an insect Explanation: Lac is the scarlet resinous secretion of a number of species of insects, namely some of the species of the genera Metatachardia, Laccifer, Tachordiella, ... Tachardina of the superfamily Coccoidea, of which the most commonly cultivated species is Kerria lacca.

Description : Lac, which is used as sealing wax is produced by - (1) stem (2) root (3) insect (4) bird

Last Answer : (3) insect Explanation: Lac is the scarlet resinous secretion of a number of species of insects. There are several lac insects, some of which secrete highly pigmented wax. The Indian lac insect Laccifer lacca is important commercially.

Description : Lac, which is used as sealing wax is produced by (1) stem (2) root (3) insect (4) bird

Last Answer : insect

Description : Lac is secreted by (a) trees like rubber (b) certain kinds of birds (c) some animals (d) a certain type of insect which feeds on the saps of trees such as Palas, Ber and Kusum

Last Answer : Ans: (d)

Description : Pebrine is a disease of (a) silkworm (b) lac insect (c) honeybee (d) fish.

Last Answer : (a) silkworm

Description : What does “lac” refer to in what we call the lac operon? (a) Lactose (b) Lactase (c) Lac insect (d) The number 1,00,000

Last Answer : (a) Lactose

Description : Which enzyme will be produced in a cell if there is a nonsense mutation in the lac Y gene? (a) Transacetylase (b) Lactose permease and transacetylase (c) β-galactosidase (d) Lactose permease

Last Answer : β-galactosidase

Description : Asseriton: Insect resistant transgenic cotton has been produced by inserting Bt gene Reason The Bt gene is derived form a bacterium

Last Answer : Asseriton: Insect resistant transgenic cotton has been produced by inserting Bt gene Reason The Bt ... If both the assertion and reason are false

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 : What can I do to save my fruitless plum from an unseen insect that is eating the leaves and killing the tree?

Last Answer : for this now. wait until the sun goes down and the tree cools off and mix up 2 tablespoons dawn & 1qt of water and spray, get under & on the leaves, if it rains do it again. in The fall ... then spray the trunk. I stop because of the bees. We plant flowers to draw the bees for polunation.

Description : elongated orange 6 legged insect on my key lime tree - what are they and what do abt them?

Last Answer : Need Answer

Description : What is the name of the insect flying around my wisteria tree?

Last Answer : It almost sounds like a big moth.

Description : what can get rid of tiny white flying insect on a hibiscus tree?

Last Answer : Mix 3 1/2 Cups Water with 3 Teaspoons White Vinegar, spray affected areas at night, the vinegar will not damage the tree; the 'ghost aphids' will die out; it should only take one or two applications, ... it alse depends on where you live and the size of the tree. Continue use as necessary. -Birdy

Description : What is ‘Lac’? -SST 10th

Last Answer : Lac is a gum-like substance which is gathered from the branches of several trees like Banyan, Sisu, Ghont, Pipal, Khair. An insect known by the name of Laccifer-lacca' breeds on the branches ... Kolkata and Mirzapur are two big centres for its purification. Lac brings in . lot of foreign exchange.

Description : Difference between lac repressor and trp repressor. -Biology

Last Answer : answer:

Description : Why is the lac operon said to be an inducible operon? -Biology

Last Answer : answer:

Description : What does the lac operon in bacteria code for? -Biology

Last Answer : answer:

Description : When does the lac repressor protein bind to the operator? -Biology

Last Answer : answer:

Description : What genes are parts of the lac operon? -Biology

Last Answer : answer:

Last Answer : LAC - Line of Actual Control

Description : In Lac-operon, repressor protein binds to

Last Answer : In Lac-operon, repressor protein binds to A. Regulator gene B. Operator gene C. Promoter gene D. Structural gene

Description : In lac operon, lactose acts are

Last Answer : In lac operon, lactose acts are A. Inducer B. Co-inducer C. Repressor D. Co-repressor

Description : The largest producer of Lac in India is

Last Answer : Jharkhand

Description : The chief competitor of India in the field of lac is (a) Thailand (b) The United States of America (c) Japan (d) China

Last Answer : Ans: (a)

Description : Lac is used in making (a) Gramophone records (b) Varnish (c) Sealing wax and lithographic ink (d) All the above

Last Answer : Ans: (d)

Description : In the ’lac operon’ concept, which of the following is a protein? (A) Operator (B) Repressor (C) Inducer (D) Vector

Last Answer : Answer : B

Description : The region of the Lac operon which must be free from structural gene transcription to occur is (A) The operator locus (B) The promoter site (C) The ‘a’ gene (D) The ‘i’ gene

Last Answer : Answer : A

Description : Which of the following genes of the E.coli “Lac operon” codes for a constitutive protein? (A) The ‘a’ gene (B) The ‘i’ gene (C) The ‘c’ gene (D) The ‘z’ gene

Last Answer : Answer : B

Description : Lac operon of E. coli contains _______ is continuity. (A) Regulator and operator genes only (B) Operator and structural genes only (C) Regular and structural genes only (D) Regulator, operator and structural genes

Last Answer : Answer : D

Description : The coding sequences in lac operon include (A) i gene (B) i gene, operator locus and promoter (C) z, y and a genes (D) i, z, y and a genes

Last Answer : Answer : D

Description : Expression of structural genes of lac operon is affected by all the following except (A) Lactose or its analogues (B) Repressor tetramer (C) cAMP (D) CAP-cAMP complex

Last Answer : Answer : C

Description : Lactose or its analogues act as positive regulators of lac operon by (A) Attaching to i gene and preventing its expression (B) Increasing the synthesis of catabolite gene activator protein (C) ... holoenzyme (D) Binding to repressor subunits so that the repressor cannot attach to the operator locus

Last Answer : Answer : D

Description : Binding of RNA polymerase holoenzyme to the promoter region of lac operon is facilitated by (A) Catabolite gene activator protein (CAP) (B) cAMP (C) CAP-cAMP complex (D) None of these

Last Answer : Answer : C

Description : The enzymes encoded by z, y and a genes of lac operon are inducible, and their inducer is (A) Lactose (B) Allo-lactose (C) Catabolite gene activator protein (D) All of these

Last Answer : Answer : B

Description : Transcription of structural genes of lac operon is prevented by binding of the repressor tetramer to (A) i gene (B) Operator locus (C) Promoter (D) z gene

Last Answer : Answer : B

Description : Trancription of z, y and a genes of lac operon is prevented by (A) Lactose (B) Allo-lactose (C) Repressor (D) cAMP

Last Answer : Answer : C

Description : RNA polymerase holoenzyme binds to lac operon at the following site: (A) i gene (B) z gene (C) Operator locus (D) Promoter region

Last Answer : Answer : D

Description : The regulatory i gene of lac operon (A) Is inhibited by lacotse (B) Is inhibited by its own product, the repressor protein (C) Forms a regulatory protein which increases the expression of downstream structural genes (D) Is constitutively expressed

Last Answer : Answer : D

Description : Lac operon is a cluster of (A) Three structural genes (B) Three structural genes and their promoter (C) A regulatory gene, an operator and a promoter (D) A regulatory gene, an operator, a promoter and three structural genes

Last Answer : Answer : D

Description : Lac operon is a cluster of genes present in (A) Human beings (B) E. coli (C) Lambda phage (D) All of these

Last Answer : Answer : B

Description : In the lac operon concept, a protein molecule is (A) Operator (B) Inducer (C) Promoter (D) Repressor

Last Answer : Answer : D

Description : To commence structural gene transcription the region which should be free on lac operation is (A) Promoter site (B) Operator locus (C) Y gene (D) A gene

Last Answer : Answer : B

Description : The minimum effective size of an operator for lac repressor binding is (A) 5 base pairs (B) 10 base pairs (C) 15 base pairs (D) 17 base pairs

Last Answer : Answer : D

Description : The gene of lac operon which has constitutive expression is (A) i (B) c (C) z (D) p

Last Answer : Answer : A

Description : The largest producer of Lac in India is (1) Chhattisgarh (2) Jharkhand (3) West Bengal (4) Gujarat

Last Answer : (2) Jharkhand Explanation: The leading producer of lac is Jharkhand, followed by the Chhattisgarh, West Bengal, and Maharashtra. Lac is the scarlet resinous secretion of a number of species of lac insects, of which the most commonly cultivated species is Kerria lacca.

Description : Fee for filing complaints before state commission above 50 lac and up to 1 crore is a) 5000 rupees b) 2500 rupees c) 4000 rupees d) 2000 rupees

Last Answer : c) 4000 rupees

Description : Fee for filing complaints before state commission above 20 lac and up to 50 lac is a) 5000 rupees b) 2500 rupees c) 4000 rupees d) 2000 rupees

Last Answer : d) 2000 rupees

Description : Fee for filing complaints before district forum above ten lac and up to twenty lac is a) 500 rupees b) 250 rupees c) 400 rupees d) 1000 rupees

Last Answer : a) 500 rupees