Biology-Objective Related Question Answers
176. In Bryophyta the thallus like plant body is attached to the soil by?
rhizoids
177. Name the multicellular terrestrial plant with vascular tissues?
Lycodophyta
178. Plants that grow in acidic soil?
Oxylophytes
179. Plants that grow in water are called as?
hydrophytes
180. Plants that grows on rocks?
Lithophytes
181. Which is the most advanced flowering plants?
Angiosperms
182. Plants which grow in soil?
Terrestrial plants
183. The primary producers in nature are?
Plants
184. Plants that grow in saline water are called?
Halophytes
185. What are conifers?
The multicellular plants with well developed tissue. Its leaves are simple; smaller and needle like eg : cedrus; pine
186. What are the two classes of flowering plants?
They are Monocotyledons or Monocots and Dicotyledons or Dicots CELL
187. The fundamental structural and functional unit of all living organisms is?
Cell
188. The cell was first observed by?
Robert Hooke
189. The cell theory was formulated by a german botanist and a british zoologist. Who are they?
The German botanist is Matthias Schleiden and The British Zoologist is Theodore Schwann. They proposed that “the bodies of animals and plants are composed of cells and products of cells”
190. Name the scientist who modified cell theory by giving the postulate “Omnis cellula-e- cellula”?
Rudolf Virchow He states that all cells arise from pre-existing cells through cell division.
191. Which are the two types of cells?
Eukaryotic cell and Prokaryotic cell
192. Which are the important cell organelles?
Endoplasmic reticulum; Mitochondria; Golgic complex; Lysosome; Microbodies; Vacuoles; and Ribosomes
193. Name the non -membrane bound cell organelle which is present in both eukaryotic and prokaryotic cell?
Ribosomes
194. The smallest cell is?
Mycoplasmas /PPLO. (Pluro Pneumonia like Organisms) (0.3 m in length)
195. The largest isolated single cell is?
The egg of Ostrich
196. Which cell organelle is known as “skeletal system of the cell”?
Endoplasmic reticulum
197. Which cell organelle is called “power house of the cell”?
Mitochondria Which cell organelle is called “the suicidal bags”?
198. In all cells the cytoplasm is externally bounded by a semi - permeable membrane. It is known as ..............?
Cell membrane/Plasma membrane
199. Name the microbodies which are known as enzyme bags?
Peroxisomes and glyoxysomes
200. The membrane bound space in the cytoplasm is known as?
Vacuole
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