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Biology · PYQ NEET UG 2025
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Biology · PYQ NEET UG 2025
Which of the following is an example of a zygomorphic flower?
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Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : A typical unfertilised, angiosperm embryo sac at maturity is 8 nucleate and 7-celled. Reason (R) : The egg apparatus has 2 polar nuclei. In the light of the above statements, choose the correct answer from the options given below :
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नेफ्रॉन के समीपस्थ (P) और दूरस्थ (D) नलिका के संबंध में निम्नलिखित में से कौन सा आरेख सही है?
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Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Cells of the tapetum possess dense cytoplasm and generally have more than one nucleus. Reason (R) : Presence of more than one nucleus in the tapetum increases the efficiency of nourishing the developing microspore mother cells. In light of the above statements, choose the most appropriate answer from the options given below :
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Given below are two statements : Statement I : Fig fruit is a non-vegetarian fruit as it has enclosed fig wasps in it. Statement II : Fig wasp and fig tree exhibit mutual relationship as fig wasp completes its life cycle in fig fruit and fig fruit gets pollinated by fig wasp. In the light of the above statements, choose the most appropriate answer from the options given below :
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Match List-I with List-II: List I List II A Pteridophyte I Salvia B Bryophyte II Ginkgo C Angiosperm III Polytrichum D Gymnosperm IV Salvinia Choose the option with all correct matches.
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Which chromosome in the human genome has the highest number of genes?
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Each of the following characteristics represent a Kingdom proposed by Whittaker. Arrange the following in increasing order of complexity of body organization. A. Multicellular heterotrophs with cell wall made of chitin. B. Heterotrophs with tissue/organ/organ system level of body organization. C. Prokaryotes with cell wall made of polysaccharides and amino acids. D. Eukaryotic autotrophs with tissue/organ level of body organization. E. Eukaryotes with cellular body organization. Choose the correct answer from the options given below :
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : The primary function of the Golgi apparatus is to package the materials made by the endoplasmic reticulum and deliver it to intracellular targets and outside the cell. Reason (R) : Vesicles containing materials made by the endoplasmic reticulum fuse with the cis face of the Golgi apparatus, and they are modified and released from the trans face of the Golgi apparatus. In the light of the above statements, choose the correct answer from the options given below :
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Twins are born to a family that lives next door to you. The twins are a boy and a girl. Which of the following must be true? Which of the above statements is/are correct?
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Match List-I with List-II: List-I List-II A Chlorophyll a I Yellow-green B Chlorophyll b II Yellow C Xanthophyll III Blue-green D Carotenoid IV Yellow to Yellow-orange Which of the above statements is/are correct?
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Which factor is important for termination of transcription?
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What is the name of the blood vessel that carries deoxygenated blood from the body to the heart in a frog?
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In the seeds of cereals, the outer covering of endosperm separates the embryo by a protein-rich layer called :
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Which one of the following phytohormones promotes nutrient mobilization which helps in the delay of leaf senescence in plants?
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Which one of the following is the characteristic feature of gymnosperms?
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Which of the following statements about RuBisCO is true?
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Role of the water vascular system in Echinoderms is : A. Respiration and Locomotion B. Excretion and Locomotion C. Capture and transport of food D. Digestion and Respiration\nE. Digestion and Excretion Choose the correct answer from the options given below :
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Match List-I with List-II: List-I List-II A Centromere I Mitochondrion B Cilium II Cell division C Cristae III Cell movement D Cell membrane IV Phospholipid Bilayer Which of the above statements is/are correct?
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Given below are two statements : Statement I : The primary source of energy in an ecosystem is solar energy. Statement II : The rate of production of organic matter during photosynthesis in an ecosystem is called net primary productivity (NPP). In the light of the above statements, choose the most appropriate answer from the options given below :
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Which of the following are the post-transcriptional events in an eukaryotic cell? A. Transport of pre-mRNA to cytoplasm prior to splicing. B. Removal of introns and joining of exons. C. Addition of methyl group at 5' end of hnRNA. D. Addition of adenine residues at 3' end of hnRNA. E. Base pairing of two complementary RNAs. Choose the correct answer from the options given below :
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The complex II of mitochondrial electron transport chain is also known as
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