1) Which is isoelectronic to C⁴+. A. N³- B. H– C. Be+ D. B²+ 2) Which is not part of Dobereiners triads. A. Ca, Cl, Br. B. Cl, Br, I C. Se, S, Te D. Ba, Sr, Ca 3) Which is true concerning Dobereiners triads. A. Elements in the triads have the same valence electrons. B. The average of the atomic weights of the first and second elements equals the atomic weight of the third element in a triad C. Elements in the same triad have the same atomic weights D. Elements in the sam...
1. A capacitor is fully charged if the p.d is A. Equal to the e.m.f B. Less than e.m.f C. Greater than e.m.f D. None of the above 2. Which of the following is correct about the insulator in a capacitor? A. It allows electric field between the conductors B. It allows charge to flow from one conductor to the other. C. It is a conductor D. All of the above 3. Which is an expression of conservation of charge? A. Kirchhoff first law B. Kirchhoff second law C. Kirchhoff 3rd law D. Kirchhoff fourth ...
1. If the current in an AC circuit is 2 sin t. What is the equivalent current in DC A. 2 B. C. 1/2 D. 0.2 2. The angle between magnetic north and geographic north A. Angle of dip B. Angle of declination C. Angle of depression D. none of the above 3. Find the Np if it has a volt of 120V and 1000 turns in the Ns and produces 12000V in the secondary coil A. 10 B. 15 C. 25 D. 50 4. Find the distance between two forces of -6μC and 8μC if the force between them is 0.015N A. 2.68m B. 2.88m C. 5.36...
2021 SOLVED PHYSICS QUESTIONS
1. The arrangement of microtubules in eukaryotic flagella is referred to as A) undulating B) basal C) 9+2 D) ciliary 2. Which of the following is not a characteristic of prokaryotes? A) DNA B) cell membrane C) cell wall D) endoplasmic reticulum 3. The term "nuclear envelope" is more correct than the term "nuclear membrane" because A) the enclosure has pores which membranes do not B) the enclosure is made up of two membranes C) the chemical composition is inconsistent with cellular membranes D...
1. The process of recombination of genetic materials during meiotic cell division is called____ (A)Synapse (B)Chiasma (C)Crossing over (D)Transcription 2. Which of the following is odd one out? (A)Fructose + glucose = sucrose (B) Fructose + fructose = maltose (C) Glucose + galactose = lactose (D) Glucose + glucose = maltose 3. Lysosome is also known as ___ box (A)Protective (B)Suicidal (C) Adaptive (D) None of t...
1.Which of the following is not a nitrogenous base Adenine Guanine Uracine Thymine 2. the process of recombination of genetic materials during meiotic cell division is called Synapse Chiasma Crossing over Transcription 3. the first product of photosynthesis is Triose phosphate Glycerol Ribulose bisphosphate Glycerate phosphate 4. Which of the following is not a component of a nucleotide Nitrogenous bas Trios sugar Phosphoric acid Pentose sugar 5. Which of the following is the general fo...
1. The cell is; (a) Basic unit of organization of a living things. (b) basic functional and structural unit of life. (c) a unit of life that can operate functionally (d) all of these. Ans = D 2. Which scientist observe a microscopic objects using simple lens microscope and called it Animacules? And what year? (a) Robert hooke 1591 (b) mathiasschledlin 1655 (c) theodoreschwann 1838 (d) anton van leawenhoek 1591. Ans = D 3. Which scientist is refe...
1. How many FAD are used in aerobic respiration A. 0 B. 1 C. 2 D. 4 2. Which of the following has the longest period in Cell Cycle? A. G1 B. G2 C. M D. S 3. Which of the following is an obligate anaerobe A. Clostridium botulinum B. E. Coli C. Staphylococcus aureus D. All of the above 4. What part of light is used by higher plant A. Red B....
1. Chromosomes are duplicated during which phase of the cell cycle (a) prophase (b)metaphase (c)interphase (d)cyclophase 2.______ refers to cells which after completion of mitosis do not enter G1 phase. (a)G2 cells (b)S cells (c)Go cells (d) M cells 3. RNA synthesis stops at ______ and resumes at ______ (a) late prophase and telophase (b) early prophase and metaphase (c)early metaphase and prophase (d)middle interphase and late telophase. 4. Who first studied mitotic cell div...
1.What is the function of the plastid... A.for photosynthesis and storage. B.Transport and movement of material C.Extrection in plant D.Formation of pigments Ans:-A 2.Movement of materials in an plant is called.... A.Transportation B.Translocation C.Transformation Ans:-A 3.Phloem loading involves A.diffusion B.osmosis... C.Draining Ans:-A
1. The process of recombination of genetic materials during meiotic cell division is called____ (A)Synapse (B)Chiasma (C)Crossing over (D)Transcription 2. Which of the following is odd one out? (A)Fructose + glucose = sucrose (B) Fructose + fructose = maltose (C) Glucose + galactose = lactose (D) Glucose + glucose = maltose 3. Lysosome is also known as ___ box (A)Protective (B)Suicidal (C) Adaptive (D) None of the above 4. Which of the following is not a protein? (A)Keratin (B)Haemoglobin (C)...
CELL PROCESSES CELL AND CELL ORGANELLES CELL WALL CELL MEMBRANE CELL REPRODUCTION LYSOSOMES MITOCHONDRIA NUCLEUS HEREDITY LIPIDS AND PROTEINS ENZYMES PHOTOSYNTHESIS MICROMOLECULES BUFFER AND WATER RESPIRATORY SYSTEM
1. Which of the following is not a nitrogenous base 2. The process of recombination of genetic materials during meiotic cell division is .....
1. The top class Nigerian universities are determined to_________ the quality of education. (A) keep up. (B)keep up with. (C)keep on. (D)keep at. 2. Some people are failures or under-achievers because____________. (A) they don’t like the library. (B) they are unable to manage their time effectively. (C) they are poor readers (D) they are quiet speakers 3. Anyone who wants to communicate effectively using English must___________.