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

Lac is produced from - (1) atree (2) an insect (3) an cat (4) amuskrat
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(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, Austrotacharidia, Afrotac-hardina, and Tachardina of the superfamily Coccoidea, of which the most commonly cultivated species is Kerria lacca.
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Lac is produced from (1) a tree (2) an insect (3) an cat (4) a muskrat

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

Last Answer :  an insect

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

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.

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

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

Last Answer : insect

what supplies do I need to graft atree

Description : what supplies do I need to graft atree

Last Answer : You need a small saw, whatever trees you're grafting, and something to bind them tightly. Your trees can't be too big. You also need the trees to have either the same diameter trunk or the top ... the ones that are strong and make it. They can afford the failures. It may get expensive for you.

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

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)

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

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

Last Answer : (a) silkworm

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

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

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

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

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

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

Silk is produced by – (1) Egg of a silkworm (2) Pupa of silkworm (3) Larva of silkworm (4) Insect itself

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.

Silk is produced by (1) Egg of silkworm (2) Pupa of silkworm (3) Larva of silkworm (4) Insect itself

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

Silk is produced by (1) Egg of a silkworm (2) Pupa of silkworm (3) Larva of silkworm (4) Insect itself

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

What is ‘Lac’? -SST 10th

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.

Difference between lac repressor and trp repressor. -Biology

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

Last Answer : answer:

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

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

Last Answer : answer:

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

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

Last Answer : answer:

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

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

Last Answer : answer:

What genes are parts of the lac operon? -Biology

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

Last Answer : answer:

What is the full form of LAC ?

Last Answer : LAC - Line of Actual Control

In Lac-operon, repressor protein binds to

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

In lac operon, lactose acts are

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

The largest producer of Lac in India is

Description : The largest producer of Lac in India is

Last Answer : Jharkhand

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

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)

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

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)

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

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

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

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

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

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

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

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

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

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

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

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

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) Attaching to promoter region and facilitating the binding of RNA polymerase holoenzyme (D) Binding to repressor subunits so that the repressor cannot attach to the operator locus

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Last Answer : Answer : D

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

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

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

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

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

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

Last Answer : Answer : A

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

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.

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

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

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

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

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

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

Fee for filing complaints before district forum above five lac and up to ten lac is a) 200 rupees b) 250 rupees c) 400 rupees d) No fee

Description : Fee for filing complaints before district forum above five lac and up to ten lac is a) 200 rupees b) 250 rupees c) 400 rupees d) No fee

Last Answer : c) 400 rupees

Fee for filing complaints before district forum above one lac and up to five lac is a) 200 rupees b) 250 rupees c) 100 rupees d) No fee

Description : Fee for filing complaints before district forum above one lac and up to five lac is  a) 200 rupees b) 250 rupees c) 100 rupees d) No fee

Last Answer : a) 200 rupees

Jurisdiction of State commission is a) Complaint where the value of the goods or services and compensation, if any claimed exceeds Rs 20 Lac b) Complaint where the value of the goods or services and compensation, if anyclaimed up to 1 crorec) Appeals against the orders of any district forum within the stated) Complaint where the value of the goods or services and compensation, if anyclaimed exceeds Rs 20 Lac but does not exceed one croree) C& D only

Description : Jurisdiction of State commission is a) Complaint where the value of the goods or services and compensation, if any claimed exceeds Rs 20 Lac b) Complaint where the value of the goods or services and compensation ... , if any claimed exceeds Rs 20 Lac but does not exceed one crore e) C& D only

Last Answer : e) C& D only