Correct option is B
DNA constitutes of two polynucleotide chains. The backbone is constituted by the sugar-phosphate bond and the bases project inside.
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Which of the following forms the backbone of DNA?
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CUET 2025 English Language Mock 01
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EnglishSimilar Questions
- 1)
Match Column ‘A’ with Column ‘B’ and select the suitable answer from the codes given below:
Column IColumn IIA. Leishmania donovani{i}MalariaB. Wuchereria bancrofti{ii}AmoebiasisC. Trypanosoma gambiense{iii}Kala azarD. Entamoeba histolytica{iv}Sleeping sickness(v) Filariasis - 2)
Which of the following statement(s) is/are correct?
{i}Collagen is the most abundant protein in animals.
{ii}RuBisCO is the most abundant protein in plants.
{iii}Z-DNA is the most common double helical structure found in nature. - 3)
Match Column I (taxonomic rank) with Column II (example/term) and choose the correct code.
Column IColumn IIA. Family{i}SolanumB. Kingdom{ii}SolanaceaeC. Order{iii}lycopersicumD. Species{iv}PlantaeE. Genus(v) Solanales - 4)
Given below are two columns:
Column I lists the names of scientists and Column II lists the discoveries made by them towards understanding photosynthesis in plants.
Match the scientists with the corresponding discoveries and choose the correct code.Column IColumn IIA. J.B. Van Helmont{i}Starch is the first visible product of photosynthesisB. Stephen Hales{ii}Water of soil contributes to the growth of plantsC. Engelmann{iii}Green plants get nourishment through their leaves from air and sunlightD. Sachs{iv}Action spectrum of photosynthesis - 5)
Match the components of the Electron Transport System (ETS) of aerobic respiration with their respective electron carriers.
Column IColumn IIA. Complex I{i}Cyt c → O₂B. Complex II{ii}NADH → CoQC. Complex III{iii}Succinate → CoQD. Complex IV{iv}CoQH₂ → Cyt c - 6)
Observe the columns and match the plants/types in Column I to the morphological forms in Column II.
Column -IColumn- IIA. Scapei. TinosporaB. Culmii. GrassesC. Lianaiii. OnionD. Creeperiv. BambooChoose the correct answer from the codes given below:
- 7)
Read the given statements. Choose the correct set of code that represents two correct statements:
A. During embryogeny, suspensor is an ephemeral structure found at the radicular end of embryo-sac.
B. During grass-embryo development, a very large suspensor is formed.
C. Suspensor attains maximal size at globular/heart-shaped stage of embryo development in a dicot ovule/seed.
D. Suspensor does not plays an important nourishing role during initial stages of new seedling formation. - 8)
The region of the vertebrate eye where the optic nerve passes out of the retina is called:
- 9)
Select the correct matching of the type of joint with the example in the human skeletal system:
A. Cartilaginous joint – between frontal and parietal bones
B. Pivot joint – between third and fourth cervical vertebrae
C. Hinge joint – between humerus and pectoral girdle
D. Gliding joint – between carpals
Codes: - 10)
Match Column ‘A’ with Column ‘B’ and select the suitable answer from the codes given below:
Column IColumn IIA. Leishmania donovani{i}MalariaB. Wuchereria bancrofti{ii}AmoebiasisC. Trypanosoma gambiense{iii}Kala azarD. Entamoeba histolytica{iv}Sleeping sickness(v) Filariasis
Similar Questions
- 1)
Match Column ‘A’ with Column ‘B’ and select the suitable answer from the codes given below:
Column IColumn IIA. Leishmania donovani{i}MalariaB. Wuchereria bancrofti{ii}AmoebiasisC. Trypanosoma gambiense{iii}Kala azarD. Entamoeba histolytica{iv}Sleeping sickness(v) Filariasis - 2)
Which of the following statement(s) is/are correct?
{i}Collagen is the most abundant protein in animals.
{ii}RuBisCO is the most abundant protein in plants.
{iii}Z-DNA is the most common double helical structure found in nature. - 3)
Match Column I (taxonomic rank) with Column II (example/term) and choose the correct code.
Column IColumn IIA. Family{i}SolanumB. Kingdom{ii}SolanaceaeC. Order{iii}lycopersicumD. Species{iv}PlantaeE. Genus(v) Solanales - 4)
Given below are two columns:
Column I lists the names of scientists and Column II lists the discoveries made by them towards understanding photosynthesis in plants.
Match the scientists with the corresponding discoveries and choose the correct code.Column IColumn IIA. J.B. Van Helmont{i}Starch is the first visible product of photosynthesisB. Stephen Hales{ii}Water of soil contributes to the growth of plantsC. Engelmann{iii}Green plants get nourishment through their leaves from air and sunlightD. Sachs{iv}Action spectrum of photosynthesis - 5)
Match the components of the Electron Transport System (ETS) of aerobic respiration with their respective electron carriers.
Column IColumn IIA. Complex I{i}Cyt c → O₂B. Complex II{ii}NADH → CoQC. Complex III{iii}Succinate → CoQD. Complex IV{iv}CoQH₂ → Cyt c - 6)
Observe the columns and match the plants/types in Column I to the morphological forms in Column II.
Column -IColumn- IIA. Scapei. TinosporaB. Culmii. GrassesC. Lianaiii. OnionD. Creeperiv. BambooChoose the correct answer from the codes given below:
- 7)
Read the given statements. Choose the correct set of code that represents two correct statements:
A. During embryogeny, suspensor is an ephemeral structure found at the radicular end of embryo-sac.
B. During grass-embryo development, a very large suspensor is formed.
C. Suspensor attains maximal size at globular/heart-shaped stage of embryo development in a dicot ovule/seed.
D. Suspensor does not plays an important nourishing role during initial stages of new seedling formation. - 8)
The region of the vertebrate eye where the optic nerve passes out of the retina is called:
- 9)
Select the correct matching of the type of joint with the example in the human skeletal system:
A. Cartilaginous joint – between frontal and parietal bones
B. Pivot joint – between third and fourth cervical vertebrae
C. Hinge joint – between humerus and pectoral girdle
D. Gliding joint – between carpals
Codes: - 10)
Match Column ‘A’ with Column ‘B’ and select the suitable answer from the codes given below:
Column IColumn IIA. Leishmania donovani{i}MalariaB. Wuchereria bancrofti{ii}AmoebiasisC. Trypanosoma gambiense{iii}Kala azarD. Entamoeba histolytica{iv}Sleeping sickness(v) Filariasis