Natural & Applied Sciences

Study Materials in Natural & Applied Sciences

PLB 101 CBT FULL AND UPDATED PAST QUESTIONS COLLATED ACCORDING TO SYLLABUS 1998 – 2015

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...

Structure of Cells

INTRODUCTION TO THE CELL CELL DIVERSITY CELL SIZE CELL SHAPE INTERNAL ORGANIZATION Prokaryotes v. Eukaryotes PARTS OF THE EUKARYOTIC CELL THE CELL MEMBRANE CYTOPLASM FLUID MOSAIC MODEL OF CELL MEMBRANES MEMBRANE PROTEINS THE NUCLEUS (pl. NUCLEI) MITOCHONDRIA RIBOSOMES ENDOPLASMIC RETICULUM (ER) GOLGI APPARATUS  LYSOSOMES CYTOSKELETON CENTRIOLE  CILIA AND FLAGELLAE  PLANT CELL STRUCTURES CELLULOSE CELL WALL  VACUOLES  CHLOROPLASTS (and other plastids)  MULTICELLULAR ORGANIZATION  TISSUE...

PLB101-CELL-BIOLOGY

CELL TYPES OF CELLS COMPONENT PARTS OF THE CELL CELL MEMBRANE MEMBRANE SPECIALISATION FLUID-MOSAIC MODEL

Unit 5 Photosynthesis II

Introduction Learning Outcomes  Stages of photosynthesis Light Reactions Description of light reactions stage of photosynthesis  (Photosystems I and II)  Cyclic Photophosphorylation  Non-cyclic photophosphorylation Photophosphorylation: Similarities and Differences  Dark reactions (Calvin cycle) Calvin Cycle Chemical Equation  Importance of photosynthesis  Factors affecting photosynthesis 

Plb Past Questions-1

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...

PLB 101 100L MOCK

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...

PLB summary- PLANT BIOLOGY

INTRODUCTION TO CELL CELL THEORY TYPES OR CLASSIFICATION CELL SIZES AND SHAPES CELL STRUCTURE CELL MEMBRANE STRUCTURE OF CELL MEMBRANE CYTOPLASM CYTOSOME MITOCHONDRION ENDOPLASMIC RETICULUM NUCLEUS NUCLEOPLASM GOLGI BODY/APPARATUS LYSOSOMES PEROXISOMES RIBOSOMES VACOULE GROWTH OF CELL CELL DIVISION IN PROKARYOTES CELL DIVISION IN EUKARYOTES MITOSIS PHOTOSYNTHESIS GENETICS, HEREDITY, GENES AND CHROMOSOMES PRINCIPLES OF GENETICS GENES MENDEL’S WORK IN GENETICS WATER, P.H AND BUFFERS WATER SOL...

PLB101 MOCK QUESTIONS

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...

PLB101 CBT CA QUESTIONS (2019/20)

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....

PLB 101 MOCK TEST

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...

PLB 101 PAST QUESTION

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

PLB 101-100 LEVEL MOCK EXAMINATION 15/16, 16/17

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)...

Plb 101 past question by Edition

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

Mitosis

Mitosis Comparison of Meiosis and Mitosis Meiosis Crossing-over and Recombination During Meiosis

PHOTOSYNTHESIS-MAIN METABOLISM-1

The vital role of ATP The light-dependent reactions  Glycolysis The Krebs cycle (or TCA cycle)  The Electron Transport Chain (ETC) 


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