NIE Biology Past Paper PDF

New Indian Era’s NIE CLASSES 5th – 8th 9th – 10th Foundation 11th -12th (Sci) JEE MAINS MHT CET NEET 1-Practice Board Paper Biology by NIE SECTION − A Q.1. Select and writ...

New Indian Era’s NIE CLASSES 5th – 8th 9th – 10th Foundation 11th -12th (Sci) JEE MAINS MHT CET NEET 1-Practice Board Paper Biology by NIE SECTION − A Q.1. Select and write the correct answers for the following multiple choice type of questions: (1) The number of meiotic and mitotic divisions necessary for development of female gametophyte in angiosperms is... A. 1 meiosis and 2 mitosis B. 1 mitosis and 3 meiosis C. 1 meiosis and 1 mitosis D. 1 meiosis and 3 mitosis. (2) Seminal fluid is ------- in nature. A. acidic B. neutral C. sugary D. alkaline (3) RR (Red) Antirrhinum is crossed with white (WW) one. Offspring (RW) are pink.This is an example of A. Dominant -recessive B. Incomplete dominance C. Hybrid D. Supplementary genes (4) Find out the double ring compound : A) Adenine B) Uracil C) Cytosine D) Thymine (5) The proportion of an allele in the gene pool to the total number of alleles at a given locus is called ___________. A) gene pool B) gene frequency C) gene flow D) genetic drift (6) Most plant cells and tissues constitutes _______% water A) 90-95 % B) 70-80 % C) 10-25 % D) 0-20 % (7) The element required in phosphorylation reaction is A. P B. Ca C. Fe. D. Mo  New Indian Era’s NIE CLASSES 5th – 8th 9th – 10th Foundation 11th -12th (Sci) JEE MAINS MHT CET NEET (8) Alveoli provide the surface area for exchange of ________. A) food B) enzymes C) gases D) hormones (9) _______ layer is in close contact of CNS in human being. (A) Cranium (B) Dura matter (C) Arachnoid matter (D) Pia matter (10) Immunity acquired after an infection is ________ immunity A.) Artificial Acquired B.) Passive C.) Innate D.) Natural Acquired Q.2. Answer the following questions: 1) What are clones? 2) What is the function of inner cell mass? 3) How many linkage groups are present in Drosophila melanogaster? 4) What is the function of RNA primer? 5) Which theory explains the continuity of life but not the origin of life? 6) Why water acts as a thermal buffer? 7) Name the enzyme used in transamination? 8) Give the function of epiglottis.  New Indian Era’s NIE CLASSES 5th – 8th 9th – 10th Foundation 11th -12th (Sci) JEE MAINS MHT CET NEET SECTION − B Attempt any EIGHT questions of the following: Q3) Draw a well labelled diagram of gemmule. Q4) Give any two points of difference between homozygous and heterozygous. Q5) Explain the role of Lactose as inducer in Lac-operon. Q6) Differentiate between analogous and homologous organs. Q7) Mention various factors affecting water absorption. Q8) Fill in the blanks with the help of chart. Q9) Which hormone is secreted by Pineal gland? What is its function? Q10) Enlist the four types of T- lymphocytes, responsible for immune response of our body Q11) Give names of two organisations which provide most commonly used models of biogas plants. Q12) For production of edible vaccines plants are used. Explain this any one example. Q13 Show the graphical representation of mean annual rainfall with respect to mean annual temperature. Q14) Show the graphical representation of mean annual rainfall with respect to mean annual temperature.  New Indian Era’s NIE CLASSES 5th – 8th 9th – 10th Foundation 11th -12th (Sci) JEE MAINS MHT CET NEET SECTION − C Attempt any EIGHT questions of the following: Q15) Explain any two contrivances or outbreeding devices for pollination. Q16) Identify the labels from the given diagram. Q17) Describe the structure of sex chromosomes with the help of labelled diagram. Q18) Define Genomics. Give any two applications of genomics. Q19) What is chromosomal aberration? Give any two types of aberrations found in the population. Q20) Draw a neat and labelled diagram of Root tip showing root hair zone. Q21) Write the name of ___ a) Gaseous growth hormone known to you. b) Standard bio assay method for auxins. c) Hormone that can overcome the requirement of vernalization. Q22) Write a note on Hering-Breuer reflex. Q23) Complete the table based on disorders caused due to under secretion or over secretion of Thyroid gland  New Indian Era’s NIE CLASSES 5th – 8th 9th – 10th Foundation 11th -12th (Sci) JEE MAINS MHT CET NEET Q24) Explain the mode of transmission of HIV. Q25) Describe the structure of a biogas plant. Q26) What is gene cloning? Explain different tools used for it. SECTION − D Attempt any THREE questions of the following: Q27) Describe the process of double fertilization in angiosperms and add a note on its significance. Q28) Explain structure of chromosomes with labelled diagram. Q29) Explain structure of chromosomes with labelled diagram. Q30) Explain the structure of root hair with the help of neat and labelled diagrams. Q31) Name the phytohormone related with the given phenomenon a) Apical dominance b) Bolting of Cabbage c) Artificial ripening of fruit d) Acts as Antitranspirant by closing stomata