Batrachospermum Occurrence:- (1) Batrachospermum is fresh water alga. (2) It is found in clear, cool, and running streams. (3) Deepwater plants are dark violet or reddish in color. But the shallow-water species are olive green. (4) The intensity of light changes the color of pigments. (5) The thallus is attached to the substratum. Vegetative structure (1) The thallus of an adult plant is soft, thick, filamentous. (2) It is freely branched and gelatinous. (3) The central axis is made up of a single row of large cells. Whorls of branches of limited growth are developed on this axis. (4) These branches are filamentous and dichotomously arranged. (5) The main axis is corticated. It consists of a row of elongated cylindrical cells. (6) It is differentiated into nodes and internodes. (7) There are two types of branches that arise from the nodes: Branches of limited growth Branches of unlimited growth Batra
Questions & Answers
Q.1.When the chromosomes line up in cell division this is often
referred to as that phase?
A. Telophase
B. Anaphase
C. Metaphase
D. Prophase,
Q.2. That cellular organ contains enzymes that are thought of
digestive?
A. Golgi apparatus
B. Lysosomes
C. Nucleus
D. Ribosomes,
Q.3. Organs repair themselves through a method of?
A. Meiosis
B. Mitosis
C. Cellular differentiation
D. Transformation,
Q.4. That of the subsequent is taken into account a model for
accelerator action?
A. Lock and Key model
B. accelerator interaction model
C. Transformation model
D. Transcription model,
Q.5. That of the subsequent statements concerning enzymes isn't
true?
A. Enzymes are catalysts.
B. the majority enzymes ar proteins.
C. Enzymes operate most expeditiously at optimum pH.
D. Enzymes are destroyed throughout chemical reactions.,
Q.6. That of the subsequent statements concerning prostaglandins
isn't true?
A. Prostaglandins promote inflammation.
B. Prostaglandins will solely constrict blood vessels.
C. Prostaglandins arr created within the urinary organ medulla.
D. Prostaglandins will cause pain and fever.,
Q.7. Sterol that's referred to as (LDL) stands for:
A. Low-density lipoproteins
B. Low-density lysosomes
C. Level-density lipoproteins
D. Level-density lysosomes,
Q.8. Hardening of the arteries is understood as:
A. Atherosclerosis
B. blood vessel narrowing
C. Micro-circulation
D. cardiovascular disease,
Q.9. Respiratory properly needs the presence of what compound
that affects the physical phenomenon of alveoli within the lungs?
A. Potassium
B. Plasma
C. Surfactant
D. common salt,
Q.10. That of the subsequent isn't thought of a operate of the
kidneys?
A. Secretion
B. organic process
C. Transport
D. Filtration,
Q.11. The practical unit of the urinary organ is understood as?
A. Medulla
B. Glomerulus
C. Pyramid
D. Nephron,
Q.12. What complex body part connects the abdomen and therefore
the mouth?
A. Trachea
B. skeletal structure
C. epithelial duct
D. Esophagus,
Answer Key
1. C
2. B
3. B
4. A
5. D
6. B
7. A
8. A
9. C
10. C
11. D
12. D
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