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Spliceosomes are not found in cells of

1) Plants 2) Fungi 3) Animals 4) Bacteria Answer: 4) Bacteria Explanation: Spliceosomes are used in the removal of introns from hnRNA... View Article

Which of the following options gives the correct sequence of events during mitosis?

1) condensation→ nuclear membrane disassembly→ crossing over→ segregation→ telophase 2) condensation→ nuclear membrane disassembly→ arrangement... View Article

Homozygous purelines in cattle can be obtained by

1) mating of related individuals of the same breed 2) mating of unrelated individuals of the same breed 3) mating of individuals of a different... View Article

With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct?

1) Light saturation for CO2 fixation occurs at 10% of full sunlight 2) Increasing atmospheric CO2 concentration up to 0.05% can enhance CO2... View Article

The association of histone H1 with a nucleosome indicates

1) Transcription is occurring 2) DNA replication is occurring 3) The DNA is condensed into a Chromatin Fibre 4) The DNA double helix is... View Article

Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?

1) Lysosome 2) Ribosome 3) Chloroplast 4) Mitochondrion Answer: 4) Mitochondrion Explanation: Complete oxidation of carbohydrates takes... View Article

A baby boy aged two years is admitted to play school and passes through a dental check-up. The dentist observed that the boy had twenty teeth. Which teeth were absent?

1) Incisors 2) Canines 3) Premolars 4) Molars Answer: 3) Premolars Explanation: Most mammals including humans have two sets of teeth in... View Article

Which of the following is made up of dead cells?

1) Xylem parenchyma 2) Collenchyma 3) Phellem 4) Phloem Answer: 3) Phellem Explanation: Phellem is made up of dead cells. It is suberised... View Article

Thalassemia and sickle cell anemia are caused due to a problem in globin molecule synthesis. Select the correct statement.

1) Both are due to a qualitative defect in globin chain synthesis 2) Both are due to a quantitative defect in globin chain synthesis 3)... View Article

Out of ‘X’ pairs of ribs in humans only ‘Y’ pairs are true ribs. Select the option that correctly represents values of X and Y and provides their explanation

1) X=12, Y=7, True ribs are attached dorsally to vertebral column and ventrally to the sternum 2) X=12, Y=5, True ribs are attached dorsally to... View Article

Which of the following represents order of ‘Horse’?

1) Equidae 2) Perissodactyla 3) Caballus 4) Ferus Answer: 2) Perissodactyla Explanation: Horse belongs to the order Perissodactyla, which... View Article

The final proof for DNA as the genetic material came from the experiments of

1) Griffith 2) Hershey and Chase 3) Avery, Mcleod and McCarty 4) Hargobind Khorana Answer:2) Hershey and Chase Explanation: Hershey and... View Article

The Mass Of Living Material At A Trophic Level At A Particular Time Is Called?

A) Standing crop B) Net primary productivity C) Gross primary productivity D) Standing state Answer: A) Standing crop Explore related... View Article

Vertical Distribution Of Different Species Occupying Different Levels In A Biotic Community Is Known As?

A) Divergence B) Pyramid C) Zonation D) Stratification Answer: D) Stratification Explore related topics on NEET at BYJU'S.... View Article

In A Ring Girdled Plant.

A) The shoot dies first B) The root dies first C) Neither root nor shoot will die D) The shoot and root die together Answer: B) The root... View Article

The Chromosomes In Which Centromere Is Situated Close To One End Are?

A) Acrocentric B) Metacentric C) Sub-metacentric D) Telocentric Answer: A) Acrocentric Explore related topics on NEET at BYJU'S.... View Article

The Structures That Are Formed By Stacking Of Organized Flattened Membranous Sacs In The Chloroplasts Are?

A) Cristae B) Stroma C) Stroma lamellae D) Grana Answer: D) Grana Explore related topics on NEET at BYJU'S.... View Article

Which Of The Following Characteristics Is Mainly Responsible For Diversification Of Insects On Land?

A) Eyes B) Exoskeleton C) Bilateral symmetry D) Segmentation Answer: B) Exoskeleton Explore related topics on NEET at BYJU'S.... View Article

A Major Characteristic Of The Monocot Root Is The Presence Of?

A) Cambium sandwiched between phloem and xylem along the radius B) Vasculature without cambium C) Open vascular bundles D) Scattered... View Article

Removal Of Proximal Convoluted Tubule From The Nephron Will Result In?

A) more diluted urine B) no urine formation C) no change in quality and quantity of urine D) more concentrated urine Answer: A) more... View Article

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