STRUCTURAL ORGANIZATION OF LIFE ( IX )

STRUCTURAL ORGANIZATION OF LIFE ( IX )

1. ___________ is the basic unit of living organisum.

a) Cell
b) Cytoplasm
c) Nucleus
d) Mitochondria
2. The organisms which are made up of only one cell are called________ .

a) Unicellular
b) Multicelluar
c) Prokaryotic
d) Eukaryotic
3. The organisms which are made up of more than one cell are called _________.

a) Multicellular
b) Unicellular
c) eukaryotic
d) prokaryotic
4. Cells are obsreved under light and electron __________.

a) Magnifying glass
b) Microscope
c) Telescope
d) Light microscope
5. Cell wall is mainly composed of _________.

a) Cytoplasm
b) Cellulose
c) Chlorophyll
d) Chloroplast
6. _____________ proposed that all plants are made up of cells.

a) Rudolf
b) Robert brown
c) Schann
d) Schleiden
7. _________ stated that new cells come only from other cell.

a) Schwann
b) Schleiden
c) Rudolf Virchow
d) Robert
8. In 1935 a new type of powerful microscope called __________

a) Electron microscope
b) Power microscope
c) light microscope
d) Magnifying glass
9. Thickness of ________ varies in different cells of plants.

a) Cytoplasm
b) Cell membrane
c) Cellulose
d) Cellwall
10. __________ membrane itself is surrounded by a cellwall

a) Plasma
b) middle lamella
c) Permeable
d) Cytoplasm
11. _________ controls all the activites of cells.

a) Nucleolus
b) Cytoplasm
c) Nucleus
d) Ribosomes
12. Nucleus is filled with a gel like substance called _______ .

a) Nucleolus
b) Nucleoplasm
c) Nuclear pore
d) Cytoplasm
13. Chemically __________ is about 90% water and forms a solution.

a) Nucleus
b) Golgi bodies
c) Ribosomes
d) Cytoplasm
14. ____________ plays an important role in the synthesis transport of material within the cell.

a) Leucoplast
b) Ribosmes
c) Endoplasmic reticulum
d) Cytoplasam
15. ________ found in leaves and other green partes of plants

a) Chromoplast
b) Chlorophyll
c) Leucoplast
d) Cytoplasm
16. ___________ are granules which are rich in RNA

a) DRNA
b) DNA
c) RNA
d) Ribosome
17. __________ are concerned with storage of cellsap.

a) Nucleus
b) Ribosome
c) Cytoplasm
d) Vacuole
18. ___________ cell doesnot posses true nucleus.

a) Ribosome
b) Eukaryotic
c) prokaryotic
d) Nucleus
19. __________ cell possesses proper nucleus where nucleic material is enclosed.

a) Eukaryotic
b) Prokaryotic
c) Golgi bodies
d) Ribosomes
20. The nuclear division is called _________.

a) Karyokinesis
b) Tonoplast
c) cytokinesis
d) Ribosomes
21. The cytoplasm division is called __________.

a) Nuclens
b) Cytosol
c) Karyokinesis
d) Cytokinesis
22. In the _______ each chromosome arranges itself on the equator of the spindie

a) Telophase
b) Anaphase
c) Metaphase
d) Mitosis
23. _________ responsible for the development and growth of organisms by increasing exact of cells

a) meiosis
b) mitosis
c) Anaphase telophase
d) mataphase
24. the chromosomes in the cell which are similar to each other in the shape and the size are called ___________.

a) Zygote
b) Analogous
c) Heterologous
d) Homologous
25. __________ is responsible for genetic variability.

a) Meiosis
b) Mitosis
c) Telophase
d) Anaphase
26. __________ consist of very long thick walled and lignifyed cells

a) Collenchyma
b) Sclerenchyma
c) Parenchyma
d) Chemochyma
27. A ____________ consist of a group of cells which are similar in structure and function.

a) Tissue
b) Organ
c) Organ system
d) Cells
28. The _______ is made up of living cells like sieves tubes, which conducts food from leaves.

a) Cambium
b) Xylem
c) phloem
d) Vascular bundle
29. _____________ cells are specialized to conduct messages in the form of electrical currents

a) Epithelial tissue
b) Musculare system
c) Connectie tissue
d) Nervous tissues
30. Organs work together to perform a particular function to make an organ.

a) Circulatory system
b) Organ system
c) Digestive system
d) Nervous system
31. ________ is a unicellular aquatic organism found in stagnant water.

a) Amoeba
b) jelly fish
c) Paramecium
d) Euglena
32. __________ is the botanical name of musturd.

a) Hibiscus
b) Neem
c) Tomato
d) Brassica
33. The swollen vein in the middle of the leaf is called _____________.

a) Petiole
b) Midrid
c) Cortex
d) Thalamus
34. ___________ is the outer most whorl and consist of four free sepals.

a) Carpel
b) Corolla
c) Stamen
d) Calyx
35. The frog hibernate during the winter season by burying themselves in the mud and clay there through winter is called _________.

a) Pollination
b) Hibrenation
c) In florescence
d) Corolla
36. __________ is the strong muscular pumping organ.

a) Heart
b) Lungs
c) Stomach
d) Buccal cavity
37. ____________ which carry blood away from the heart.

a) Capillaries
b) Veins
c) Arteries
d) Tissues
38. The urine is carried from the kidney by a pair of tubes called__________.

a) Urinary bladder
b) Ureters
c) Urine
d) Rectum
39. The set of organ which controls and co-ordinate all the activitesof the body is __________.

a) Nervous system
b) Reproductive system
c) Excretory system
d) Portal system
40. Leaves having different upper and lower surface are called____________.

a) Whorl
b) Thalamus
c) Palisade
d) Bifacial leaves
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