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Welcome to your SMATEE MOCK TEST-3 (15.03.2025)
IMPORTANT INSTRUCTIONS
PHYSICS
2. The dimensional formula for kinetic energy isa) [M L2 T-1] b) [M L-1 T2]c) [M L2 T-2]d) [M L-2 T-2]
3. The number of significant figures in 4.690×103 isa) 3 b) 4c) 7 d) 6
4. The area under velocity-time graph givesa) distance travelled b) displacementc) accelerationd) deceleration
5. The acceleration of a body having displacement y=-5t3+2t-65 isa) -15t b) -15t2c) -30td) -30t2
a) 0º b) 90ºc) 180ºd) 45º
7. The trajectory of a body fired at an angle to the horizontal follows aa) circular path b) parabolic pathc) hyperbolic pathd) elliptical path
9. SI unit of magnetic flux isa) Weberb) Ohmc) Tesla d) Voltage
10. The peak voltage of an ac supply is 440 V, then its rms voltage isa) 31.11V b) 311.1Vc) 41.11V d) 411.1V
11. Which of the following statements is correct regarding the photoelectric experiment?a) The photocurrent increases with intensity of light. b) Stopping potential increases with increase in intensity of incident light. c) The photocurrent increases with increase in frequency. d) All of these
12. A laser beam is used for locating distant objects becausea) it is monochromatic b) it is not chromatic c) it is not observed d) it has small angular spread
13. For a total internal reflection, which of the following is correct?a) Light travel from rarer to denser medium. b) Light travel from denser to rarer medium. c) Light travels in air only. d) Light travels in water only.
14. The breaking stress of a wire depends ona) material of the wire b) length of the wire c) radius of the wire d) shape of the cross section
15. Which one of the following is not a periodic motion?a) Rotation of the earth about its axis.b) A freely suspended bar magnet displaced from its N-S direction and released.c) Motion of hands of a clock.d) An arrow released from a bow
16. The sound waves travel fastest in:a) liquids b) solidsc) gases d) vacuum
CHEMISTRY
27. What is the Geometry of SF4 (excluding the lone pair of electrons)a) T shape b) See saw c) Tetrahedral d) Trigonal bipyramidal
a) 5b) 6c) 3d) 4
a) RY and ryb) RR and rrc) YY and yy d) Rr and Yy
78. The test tube baby meansa) Fertilization and development both in uterusb) Fertilization in vitro and then transplantation in uterusc) Baby grows in test tubed) Fertilization in fallopian tube and development of embryo outside the body
79. Which of the following cannot be detected by amniocentesis?a) Down’s syndromeb) Jaundicec) Haemophilia d) Anaemia
80. Chances of conception in female is highest ona) 14th dayb) 4th dayc) 28th day d) 1st day
81. The completely curable STD if detected early and treated properly isa) AIDSb) Genital herpesc) Hepatitis B d) Syphilis
82. The technique of ART when an embryo of 8 blastomeres is transferred into oviduct isa) IUT b) GIFTc) ZIFTd) IUI
83. The hormone responsible for contraception isa) Prolactin b) Progesteronec) Prolactin d) Testosterone
84. Which of the following is hormone releasing IUCD?a) Lippes loop b) LNG 20c) Multiload 375d) CuT
85. At what time one should take emergency contraceptive to prevent pregnancy?a) Within 72 hours of unprotected sex b) In the morning after having unprotected sex c) After menstruation d) Once a week after initial intake of twice a week dose for 3 months
86. Read the given statements and select the correct option Statement 1: Saheli is an oral pill which has high contraceptive value and very little side effects Statement 2: Saheli contains a non-steroidal preparation called centchromana) Both 1 and 2 are correct b) 1 is correct but 2 is incorrect c) 1 is incorrect but 2 is correct d) Both 1 and 2 are incorrect
87. Sterilization technique in males isa) Condom b) IUDc) Vasectomy d) Tubectomy
88. IUDs are implanted in thea) Vagina b) Ovaryc) Uterusd) Fallopian tube
89. Who discovered the double-helix structure of DNA?a) Gregor Mendelb) Watson and Crickc) Rosalind Franklind) Hershey and Chase
90. The building blocks of DNA are called:a) Amino acidsb) Nucleotidesc) Fatty acidsd) Monosaccharides
91. Which of the following nitrogenous bases is NOT found in DNA?a) Adenineb) Thyminec) Uracild) Cytosine
92. The process of copying DNA into Mrna is called:
a) Replicationb) Transcriptionc) Translation d) Transformation
93. Which of the following is the start codon for protein synthesis?a) UAA b) UGAc) AUGd) UAG
94. The process of synthesizing proteins from mRNA is called:a) Replication b) Transcriptionc) Translation d) Transformation
95. Which enzyme is responsible for unwinding the DNA double helix during replication?a) DNA polymeraseb) RNA polymerasec) Ligased) Helicase
96. The central dogma of molecular biology describes the flow of genetic information as:a) DNA → RNA → Proteinb) RNA → DNA → Proteinc) Protein → RNA → DNAd) DNA → Protein → RNA
97. The enzyme that adds nucleotides during DNA replication is:
a) Helicaseb) DNA polymerasec) RNA polymerase d) Ligase
98. The anticodon is found on which molecule?a) Mrna b) tRNAc) Rrnad) DNA
99. Nonsense codon takes part ina) releasing tRNA from polypeptide chain. b) formation of unspecified amino acids c) conversion of sense DNA into nonsense one d) Signalling the end of translation in protein synthesis
100. DNA fingerprinting involves the use of:a) mRNA sequences b) Restriction enzymes and VNTRs c) tRNA molecules d) rRNA sequences